> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# New Event

> Call this API to create a new event in a specified calendar, with usage notes, request parameters, and response field references.

Call this API to create an event.

## API call description

* Each event attendee operation supports up to 500 users, and an event supports up to 5,000 attendees in total.
* To add or remove event attendees, we recommend using the [Add event attendee](/open/development/add-schedule-participant#) and [Remove event attendee](/open/development/delete-schedule-participant#) APIs.

## Request

### Basic information

| Field                | Value                                                                                    |
| -------------------- | ---------------------------------------------------------------------------------------- |
| HTTP URL             | `https://api.dingtalk.io/v1.0/calendar/users/{userId}/calendars/{calendarId}/events`     |
| HTTP Method          | POST                                                                                     |
| Supported app types  | appType-Internal app　appType-Third-party enterprise app　appType-Third-party personal app |
| Required permissions | permission-Calendar.Event.Write-Write permission for events in the Calendar app          |

### Request header

| Name                        | Type   | Required | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| --------------------------- | ------ | -------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| x-client-token              | String | No       | Idempotency check.    - The same `x-client-token` represents the same request. - Expires after 1 day.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| x-acs-dingtalk-access-token | String | Yes      | The access credential for calling this API. Obtain it as follows:   - For an internal app, call the [Obtain the access token of an internal app](/open/development/obtain-the-access-token-of-an-internal-app#) API. - For a third-party enterprise app, call the [Obtain the access token of an authorized enterprise (Marketplace app)](https://open.dingtalk.com/document/development/obtain-the-access-token-of-the-authorized-enterprise-1#) API. - For a third-party personal app, call the [Obtain the user token](/open/development/obtain-user-token#) API. |

### Path parameter

| Name       | Type   | Required | Description                                                                                                                                                                                                                                                                                                                                                                   |
| ---------- | ------ | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| userId     | String | Yes      | The unionId of the event organizer.   - For internal apps and third-party enterprise apps, call the [Query user details](/open/development/query-user-details#) API to obtain the unionid value. - For third-party personal apps, call the [Obtain the profile of a user in Contacts](/open/development/dingtalk-retrieve-user-information#) API to obtain the unionId value. |
| calendarId | String | Yes      | The ID of the calendar to which the event belongs. Always set to **primary**, which represents the user's main calendar.                                                                                                                                                                                                                                                      |

### Request body

| Name                | Type                  | Required | Description                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| ------------------- | --------------------- | -------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| summary             | String                | Yes      | The event title. Maximum 2,048 characters.                                                                                                                                                                                                                                                                                                                                                                                                               |
| description         | String                | No       | The event description. Maximum 5,000 characters.                                                                                                                                                                                                                                                                                                                                                                                                         |
| start               | Object                | Yes      | The event start time.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| date                | String                | No       | The event start date in yyyy-MM-dd format.    - Required for all-day events. - Must be left blank for non-all-day events.                                                                                                                                                                                                                                                                                                                                |
| dateTime            | String                | No       | The event start time in ISO-8601 date-time format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                                        |
| timeZone            | String                | No       | The time zone of the event start time, in TZ database name format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                        |
| end                 | Object                | No       | The event end time.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| date                | String                | No       | The event end date in yyyy-MM-dd format.    - For all-day events:    - Required.   - Set the end date to T+1.   For example, for an all-day event on **2024-06-01** with a start date of **2024-06-01**, set the end date to **2024-06-02**.   - Must be left blank for non-all-day events.                                                                                                                                                              |
| dateTime            | String                | No       | The event end time in ISO-8601 date-time format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                                          |
| timeZone            | String                | No       | The time zone of the event end time. Must be the same as the time zone of the start time, in TZ database name format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                     |
| isAllDay            | Boolean               | No       | Whether the event is all-day.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                                        |
| recurrence          | Object                | No       | The event recurrence rule.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| pattern             | Object                | No       | The recurrence pattern.                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| type                | String                | No       | The recurrence pattern type.   - **daily**: Repeats every **interval** days. - **weekly**: Repeats on the **daysOfWeek** of every **interval** weeks. - **absoluteMonthly**: Repeats on day **dayOfMonth** of every **interval** months. - **relativeMonthly**: Repeats on **daysOfWeek** of the **index** week of every **interval** months. - **absoluteYearly**: Repeats every **interval** years.                                                    |
| dayOfMonth          | Integer               | No       | When **type** is set to **absoluteMonthly**, specifies the day of the month.                                                                                                                                                                                                                                                                                                                                                                             |
| daysOfWeek          | String                | No       | Lowercase English words to specify the day of the week. Separate multiple values with commas.                                                                                                                                                                                                                                                                                                                                                            |
| index               | String                | No       | When **type** is set to **relativeMonthly**, specifies which week of the month.   - **first**: First week. - **second**: Second week. - **third**: Third week. - **fourth**: Fourth week. - **last**: Last week.                                                                                                                                                                                                                                         |
| interval            | Integer               | No       | The recurrence interval. The unit varies depending on the type.    For example:   - When **type** is **daily**, indicates an interval of N days. - When **type** is **absoluteYearly**, indicates an interval of N years.                                                                                                                                                                                                                                |
| firstDayOfWeek      | String                | No       | The first day of the week. Valid values: sunday, monday, tuesday, wednesday, thursday, friday, saturday. Default value: "sunday".                                                                                                                                                                                                                                                                                                                        |
| range               | Object                | No       | The recurrence range.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| type                | String                | No       | The recurrence range type.   - **noEnd**: Never ends. - **endDate**: Ends on the specified date. - **numbered**: Ends after the specified number of occurrences.                                                                                                                                                                                                                                                                                         |
| endDate             | String                | No       | The recurrence end date.    **endDate** and **numberOfOccurrences** cannot be set at the same time.                                                                                                                                                                                                                                                                                                                                                      |
| numberOfOccurrences | Integer               | No       | The number of recurrences.    **endDate** and **numberOfOccurrences** cannot be set at the same time.                                                                                                                                                                                                                                                                                                                                                    |
| attendees           | Array                 | No       | The list of event attendees. Supports up to 500 attendees.                                                                                                                                                                                                                                                                                                                                                                                               |
| id                  | String                | No       | The user's unionId.   - For internal apps and third-party enterprise apps, call the [Query user details](/open/development/query-user-details#) API to obtain the unionid value. - For third-party personal apps, call the [Obtain the profile of a user in Contacts](/open/development/dingtalk-retrieve-user-information#) API to obtain the unionId value.                                                                                            |
| isOptional          | Boolean               | No       | Whether the attendee is optional.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                                    |
| location            | Object                | No       | The event location.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| displayName         | String                | No       | The name of the event location.                                                                                                                                                                                                                                                                                                                                                                                                                          |
| reminders           | Array                 | No       | Event reminders. Multiple reminders can be added.   - If not specified, the default reminder time is 15 minutes before the event starts. - Passing an empty array means no reminders will be created.                                                                                                                                                                                                                                                    |
| method              | String                | No       | The reminder method.   - **dingtalk**: In-DingTalk reminder.                                                                                                                                                                                                                                                                                                                                                                                             |
| minutes             | Integer               | No       | Sends a reminder N minutes before the event starts.                                                                                                                                                                                                                                                                                                                                                                                                      |
| onlineMeetingInfo   | Object                | No       | Creates an online meeting along with the event.                                                                                                                                                                                                                                                                                                                                                                                                          |
| type                | String                | No       | The online meeting type.   - **dingtalk**: DingTalk Video Meeting.                                                                                                                                                                                                                                                                                                                                                                                       |
| extra               | `Map<String, String>` | No       | Extension capability switches in JSON format. Optional. The attributes are defined as follows.   - **noPushNotification**: Whether to send DingTalk push notifications to associated users when creating the event.    - **true**: Do not send.   - **false**: Send. - **noChatNotification**: Whether to send a direct message card to attendees when creating the event.    - **true**: Do not send.   - **false**: Send.                              |
| uiConfigs           | Array                 | No       | UI configuration that controls the display of components on the event details page.                                                                                                                                                                                                                                                                                                                                                                      |
| uiName              | String                | No       | The component name. Valid values (continuously updated):   - **updateEventButton**: Edit event button. - **deleteEventButton**: Delete event button. - **transferEventButton**: Transfer event button. - **attendee**: Attendees section. - **comment**: Event comments section.                                                                                                                                                                         |
| uiStatus            | String                | No       | The component status. Valid values:   - **hide**: Hidden. - **disable**: Disabled (supported in the new details page; not supported in older versions, where the component will be hidden).    Button components: cannot be clicked.   Section components: cannot be interacted with. For example, if the comments section is set to disable, comments cannot be written, but existing comments remain visible. - **enable**: Available (default state). |
| richTextDescription | Object                | No       | The rich text description.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| text                | String                | No       | The rich text description content.                                                                                                                                                                                                                                                                                                                                                                                                                       |

### Request example

HTTP

```http theme={"theme":{"light":"github-light","dark":"github-dark"}}
POST /v1.0/calendar/users/iiiP35sJadba8aBSgjrwPRKgiEiF/calendars/primary/events HTTP/1.1
Host:api.dingtalk.io
x-client-token:******
x-acs-dingtalk-access-token:cnNTbW1YbU9sL2p6aFJZdEgvdlQrQT01
Content-Type:application/json

{
  "summary" : "test event",
  "description" : "something about this event",
  "start" : {
    "date" : "2021-09-20",
    "dateTime" : "2021-09-20T10:15:30+08:00",
    "timeZone" : "Asia/Shanghai"
  },
  "end" : {
    "date" : "2020-09-21",
    "dateTime" : "2021-09-20T10:15:30+08:00",
    "timeZone" : "Asia/Shanghai"
  },
  "isAllDay" : false,
  "recurrence" : {
    "pattern" : {
      "type" : "daily",
      "dayOfMonth" : 1,
      "daysOfWeek" : "monday",
      "index" : "last",
      "interval" : 1,
      "firstDayOfWeek" : "monday"
    },
    "range" : {
      "type" : "endDate",
      "endDate" : "2021-12-31T10:15:30+08:00",
      "numberOfOccurrences" : 5
    }
  },
  "attendees" : [ {
    "id" : "iiiP35sJxxx",
    "isOptional" : false
  } ],
  "location" : {
    "displayName" : "dingtalk"
  },
  "reminders" : [ {
    "method" : "dingtalk",
    "minutes" : 15
  } ],
  "onlineMeetingInfo" : {
    "type" : "dingtalk"
  },
 "extra" : {
    {"noChatNotification": "true", "noPushNotification": "true" }
  },
  "uiConfigs" : [ {
    "uiName" : "updateEventButton",
    "uiStatus" : "hide"
  } ],
  "richTextDescription" : {
    "text" : "<div class=\\\"__aliyun_email_body_block\\\"><div  style=\\\"clear:both;\\\"><span  style=\\\"text-decoration:line-through;\\\">Sample strikethrough text</span></div><div  style=\\\"clear:both;\\\"><span  style=\\\"color:#ff0000;\\\">Sample red text</span></div><div  style=\\\"clear:both;\\\"><span  style=\\\"text-decoration:underline;\\\">Sample underlined text</span></div><div  style=\\\"clear:both;\\\"><span  style=\\\"font-weight:700;\\\">Sample bold text</span></div><div  style=\\\"clear:both;\\\"><span  style=\\\"font-weight:700;font-style:italic;\\\">Sample bold italic text</span></div></div>"
  }
}
```

Java

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
// This file is auto-generated, don't edit it. Thanks.
package com.aliyun.sample;

import com.aliyun.tea.*;

public class Sample {

    /**
     * Initialize the account Client with a Token
     * @return Client
     * @throws Exception
     */
    public static com.aliyun.dingtalkcalendar_1_0.Client createClient() throws Exception {
        com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config();
        config.protocol = "https";
        config.regionId = "central";
        return new com.aliyun.dingtalkcalendar_1_0.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        java.util.List<String> args = java.util.Arrays.asList(args_);
        com.aliyun.dingtalkcalendar_1_0.Client client = Sample.createClient();
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventHeaders createEventHeaders = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventHeaders();
        createEventHeaders.xAcsDingtalkAccessToken = "<your access token>";
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRichTextDescription richTextDescription = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRichTextDescription()
                .setText("<div class=\"__aliyun_email_body_block\"><div  style=\"clear:both;\"><span  style=\"text-decoration:line-through;\">Sample strikethrough text</span></div><div  style=\"clear:both;\"><span  style=\"color:#ff0000;\">Sample red text</span></div><div  style=\"clear:both;\"><span  style=\"text-decoration:underline;\">Sample underlined text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;\">Sample bold text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;font-style:italic;\">Sample bold italic text</span></div></div>");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestUiConfigs uiConfigs0 = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestUiConfigs()
                .setUiName("updateEventButton")
                .setUiStatus("hide");
       java.util.Map<String, String> extra = TeaConverter.buildMap(
                new TeaPair("noChatNotification", "true"),
                new TeaPair("noPushNotification","true")
        );
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestOnlineMeetingInfo onlineMeetingInfo = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestOnlineMeetingInfo()
                .setType("dingtalk");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestReminders reminders0 = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestReminders()
                .setMethod("dingtalk")
                .setMinutes(15);
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestLocation location = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestLocation()
                .setDisplayName("dingtalk");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestAttendees attendees0 = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestAttendees()
                .setId("iiiP35sJxxx")
                .setIsOptional(false);
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrenceRange recurrenceRange = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrenceRange()
                .setType("endDate")
                .setEndDate("2021-12-31T10:15:30+08:00")
                .setNumberOfOccurrences(5);
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrencePattern recurrencePattern = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrencePattern()
                .setType("daily")
                .setDayOfMonth(1)
                .setDaysOfWeek("monday")
                .setIndex("last")
                .setInterval(1)
                .setFirstDayOfWeek("monday");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrence recurrence = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestRecurrence()
                .setPattern(recurrencePattern)
                .setRange(recurrenceRange);
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestEnd end = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestEnd()
                .setDate("2020-09-21")
                .setDateTime("2021-09-20T10:15:30+08:00")
                .setTimeZone("Asia/Shanghai");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestStart start = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest.CreateEventRequestStart()
                .setDate("2021-09-20")
                .setDateTime("2021-09-20T10:15:30+08:00")
                .setTimeZone("Asia/Shanghai");
        com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest createEventRequest = new com.aliyun.dingtalkcalendar_1_0.models.CreateEventRequest()
                .setSummary("test event")
                .setDescription("something about this event")
                .setStart(start)
                .setEnd(end)
                .setIsAllDay(false)
                .setRecurrence(recurrence)
                .setAttendees(java.util.Arrays.asList(
                    attendees0
                ))
                .setLocation(location)
                .setReminders(java.util.Arrays.asList(
                    reminders0
                ))
                .setOnlineMeetingInfo(onlineMeetingInfo)
                .setExtra(extra)
                .setUiConfigs(java.util.Arrays.asList(
                    uiConfigs0
                ))
                .setRichTextDescription(richTextDescription);
        try {
            client.createEventWithOptions("iiiP35sJadba8aBSgjrwPRKgiEiF", "primary", createEventRequest, createEventHeaders, new com.aliyun.teautil.models.RuntimeOptions());
        } catch (TeaException err) {
            if (!com.aliyun.teautil.Common.empty(err.code) && !com.aliyun.teautil.Common.empty(err.message)) {
                // err contains the code and message attributes, which help locate the issue
            }

        } catch (Exception _err) {
            TeaException err = new TeaException(_err.getMessage(), _err);
            if (!com.aliyun.teautil.Common.empty(err.code) && !com.aliyun.teautil.Common.empty(err.message)) {
                // err contains the code and message attributes, which help locate the issue
            }

        }        
    }
}
```

Python

```python theme={"theme":{"light":"github-light","dark":"github-dark"}}
# -*- coding: utf-8 -*-
# This file is auto-generated, don't edit it. Thanks.
import os
import sys

from typing import List

from alibabacloud_dingtalk.calendar_1_0.client import Client as dingtalkcalendar_1_0Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_dingtalk.calendar_1_0 import models as dingtalkcalendar__1__0_models
from alibabacloud_tea_util import models as util_models
from alibabacloud_tea_util.client import Client as UtilClient

class Sample:
    def __init__(self):
        pass

    @staticmethod
    def create_client() -> dingtalkcalendar_1_0Client:
        """
        Initialize the account Client with a Token
        @return: Client
        @throws Exception
        """
        config = open_api_models.Config()
        config.protocol = 'https'
        config.region_id = 'central'
        return dingtalkcalendar_1_0Client(config)

    @staticmethod
    def main(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        create_event_headers = dingtalkcalendar__1__0_models.CreateEventHeaders()
        create_event_headers.x_acs_dingtalk_access_token = '<your access token>'
        rich_text_description = dingtalkcalendar__1__0_models.CreateEventRequestRichTextDescription(
            text='<div class="__aliyun_email_body_block"><div  style="clear:both;"><span  style="text-decoration:line-through;">Sample strikethrough text</span></div><div  style="clear:both;"><span  style="color:#ff0000;">Sample red text</span></div><div  style="clear:both;"><span  style="text-decoration:underline;">Sample underlined text</span></div><div  style="clear:both;"><span  style="font-weight:700;">Sample bold text</span></div><div  style="clear:both;"><span  style="font-weight:700;font-style:italic;">Sample bold italic text</span></div></div>'
        )
        ui_configs_0 = dingtalkcalendar__1__0_models.CreateEventRequestUiConfigs(
            ui_name='updateEventButton',
            ui_status='hide'
        )
        extra = {
            'noChatNotification': 'true', 
            'noPushNotification': 'true'
        }
        online_meeting_info = dingtalkcalendar__1__0_models.CreateEventRequestOnlineMeetingInfo(
            type='dingtalk'
        )
        reminders_0 = dingtalkcalendar__1__0_models.CreateEventRequestReminders(
            method='dingtalk',
            minutes=15
        )
        location = dingtalkcalendar__1__0_models.CreateEventRequestLocation(
            display_name='dingtalk'
        )
        attendees_0 = dingtalkcalendar__1__0_models.CreateEventRequestAttendees(
            id='iiiP35sJxxx',
            is_optional=False
        )
        recurrence_range = dingtalkcalendar__1__0_models.CreateEventRequestRecurrenceRange(
            type='endDate',
            end_date='2021-12-31T10:15:30+08:00',
            number_of_occurrences=5
        )
        recurrence_pattern = dingtalkcalendar__1__0_models.CreateEventRequestRecurrencePattern(
            type='daily',
            day_of_month=1,
            days_of_week='monday',
            index='last',
            interval=1,
            first_day_of_week='monday'
        )
        recurrence = dingtalkcalendar__1__0_models.CreateEventRequestRecurrence(
            pattern=recurrence_pattern,
            range=recurrence_range
        )
        end = dingtalkcalendar__1__0_models.CreateEventRequestEnd(
            date='2020-09-21',
            date_time='2021-09-20T10:15:30+08:00',
            time_zone='Asia/Shanghai'
        )
        start = dingtalkcalendar__1__0_models.CreateEventRequestStart(
            date='2021-09-20',
            date_time='2021-09-20T10:15:30+08:00',
            time_zone='Asia/Shanghai'
        )
        create_event_request = dingtalkcalendar__1__0_models.CreateEventRequest(
            summary='test event',
            description='something about this event',
            start=start,
            end=end,
            is_all_day=False,
            recurrence=recurrence,
            attendees=[
                attendees_0
            ],
            location=location,
            reminders=[
                reminders_0
            ],
            online_meeting_info=online_meeting_info,
            extra=extra,
            ui_configs=[
                ui_configs_0
            ],
            rich_text_description=rich_text_description
        )
        try:
            client.create_event_with_options('iiiP35sJadba8aBSgjrwPRKgiEiF', 'primary', create_event_request, create_event_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err contains the code and message attributes, which help locate the issue
                pass

    @staticmethod
    async def main_async(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        create_event_headers = dingtalkcalendar__1__0_models.CreateEventHeaders()
        create_event_headers.x_acs_dingtalk_access_token = '<your access token>'
        rich_text_description = dingtalkcalendar__1__0_models.CreateEventRequestRichTextDescription(
            text='<div class="__aliyun_email_body_block"><div  style="clear:both;"><span  style="text-decoration:line-through;">Sample strikethrough text</span></div><div  style="clear:both;"><span  style="color:#ff0000;">Sample red text</span></div><div  style="clear:both;"><span  style="text-decoration:underline;">Sample underlined text</span></div><div  style="clear:both;"><span  style="font-weight:700;">Sample bold text</span></div><div  style="clear:both;"><span  style="font-weight:700;font-style:italic;">Sample bold italic text</span></div></div>'
        )
        ui_configs_0 = dingtalkcalendar__1__0_models.CreateEventRequestUiConfigs(
            ui_name='updateEventButton',
            ui_status='hide'
        )
        extra = {
            'key': 'noPushNotification'
        }
        online_meeting_info = dingtalkcalendar__1__0_models.CreateEventRequestOnlineMeetingInfo(
            type='dingtalk'
        )
        reminders_0 = dingtalkcalendar__1__0_models.CreateEventRequestReminders(
            method='dingtalk',
            minutes=15
        )
        location = dingtalkcalendar__1__0_models.CreateEventRequestLocation(
            display_name='dingtalk'
        )
        attendees_0 = dingtalkcalendar__1__0_models.CreateEventRequestAttendees(
            id='iiiP35sJxxx',
            is_optional=False
        )
        recurrence_range = dingtalkcalendar__1__0_models.CreateEventRequestRecurrenceRange(
            type='endDate',
            end_date='2021-12-31T10:15:30+08:00',
            number_of_occurrences=5
        )
        recurrence_pattern = dingtalkcalendar__1__0_models.CreateEventRequestRecurrencePattern(
            type='daily',
            day_of_month=1,
            days_of_week='monday',
            index='last',
            interval=1,
            first_day_of_week='monday'
        )
        recurrence = dingtalkcalendar__1__0_models.CreateEventRequestRecurrence(
            pattern=recurrence_pattern,
            range=recurrence_range
        )
        end = dingtalkcalendar__1__0_models.CreateEventRequestEnd(
            date='2020-09-21',
            date_time='2021-09-20T10:15:30+08:00',
            time_zone='Asia/Shanghai'
        )
        start = dingtalkcalendar__1__0_models.CreateEventRequestStart(
            date='2021-09-20',
            date_time='2021-09-20T10:15:30+08:00',
            time_zone='Asia/Shanghai'
        )
        create_event_request = dingtalkcalendar__1__0_models.CreateEventRequest(
            summary='test event',
            description='something about this event',
            start=start,
            end=end,
            is_all_day=False,
            recurrence=recurrence,
            attendees=[
                attendees_0
            ],
            location=location,
            reminders=[
                reminders_0
            ],
            online_meeting_info=online_meeting_info,
            extra=extra,
            ui_configs=[
                ui_configs_0
            ],
            rich_text_description=rich_text_description
        )
        try:
            await client.create_event_with_options_async('iiiP35sJadba8aBSgjrwPRKgiEiF', 'primary', create_event_request, create_event_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err contains the code and message attributes, which help locate the issue
                pass

if __name__ == '__main__':
    Sample.main(sys.argv[1:])
```

PHP

```xml theme={"theme":{"light":"github-light","dark":"github-dark"}}
<?php

// This file is auto-generated, don't edit it. Thanks.
namespace AlibabaCloud\SDK\Sample;

use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Dingtalk;
use \Exception;
use AlibabaCloud\Tea\Exception\TeaError;
use AlibabaCloud\Tea\Utils\Utils;

use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventHeaders;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\richTextDescription;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\uiConfigs;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\onlineMeetingInfo;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\reminders;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\location;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\attendees;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\recurrence\range;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\recurrence\pattern;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\recurrence;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\end;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest\start;
use AlibabaCloud\SDK\Dingtalk\Vcalendar_1_0\Models\CreateEventRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

class Sample {

    /**
     * Initialize the account Client with a Token
     * @return Dingtalk Client
     */
    public static function createClient(){
        $config = new Config([]);
        $config->protocol = "https";
        $config->regionId = "central";
        return new Dingtalk($config);
    }

    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        $client = self::createClient();
        $createEventHeaders = new CreateEventHeaders([]);
        $createEventHeaders->xAcsDingtalkAccessToken = "<your access token>";
        $richTextDescription = new richTextDescription([
            "text" => "<div class=\"__aliyun_email_body_block\"><div  style=\"clear:both;\"><span  style=\"text-decoration:line-through;\">Sample strikethrough text</span></div><div  style=\"clear:both;\"><span  style=\"color:#ff0000;\">Sample red text</span></div><div  style=\"clear:both;\"><span  style=\"text-decoration:underline;\">Sample underlined text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;\">Sample bold text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;font-style:italic;\">Sample bold italic text</span></div></div>"
        ]);
        $uiConfigs0 = new uiConfigs([
            "uiName" => "updateEventButton",
            "uiStatus" => "hide"
        ]);
        $extra = [
            "noChatNotification" => "true”,
            "noPushNotification" => "true"
        ];
        $onlineMeetingInfo = new onlineMeetingInfo([
            "type" => "dingtalk"
        ]);
        $reminders0 = new reminders([
            "method" => "dingtalk",
            "minutes" => 15
        ]);
        $location = new location([
            "displayName" => "dingtalk"
        ]);
        $attendees0 = new attendees([
            "id" => "iiiP35sJxxx",
            "isOptional" => false
        ]);
        $recurrenceRange = new range([
            "type" => "endDate",
            "endDate" => "2021-12-31T10:15:30+08:00",
            "numberOfOccurrences" => 5
        ]);
        $recurrencePattern = new pattern([
            "type" => "daily",
            "dayOfMonth" => 1,
            "daysOfWeek" => "monday",
            "index" => "last",
            "interval" => 1,
            "firstDayOfWeek" => "monday"
        ]);
        $recurrence = new recurrence([
            "pattern" => $recurrencePattern,
            "range" => $recurrenceRange
        ]);
        $end = new end([
            "date" => "2020-09-21",
            "dateTime" => "2021-09-20T10:15:30+08:00",
            "timeZone" => "Asia/Shanghai"
        ]);
        $start = new start([
            "date" => "2021-09-20",
            "dateTime" => "2021-09-20T10:15:30+08:00",
            "timeZone" => "Asia/Shanghai"
        ]);
        $createEventRequest = new CreateEventRequest([
            "summary" => "test event",
            "description" => "something about this event",
            "start" => $start,
            "end" => $end,
            "isAllDay" => false,
            "recurrence" => $recurrence,
            "attendees" => [
                $attendees0
            ],
            "location" => $location,
            "reminders" => [
                $reminders0
            ],
            "onlineMeetingInfo" => $onlineMeetingInfo,
            "extra" => $extra,
            "uiConfigs" => [
                $uiConfigs0
            ],
            "richTextDescription" => $richTextDescription
        ]);
        try {
            $client->createEventWithOptions("iiiP35sJadba8aBSgjrwPRKgiEiF", "primary", $createEventRequest, $createEventHeaders, new RuntimeOptions([]));
        }
        catch (Exception $err) {
            if (!($err instanceof TeaError)) {
                $err = new TeaError([], $err->getMessage(), $err->getCode(), $err);
            }
            if (!Utils::empty_($err->code) && !Utils::empty_($err->message)) {
                // err contains the code and message attributes, which help locate the issue
            }
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
Sample::main(array_slice($argv, 1));
```

Go

```go theme={"theme":{"light":"github-light","dark":"github-dark"}}
// This file is auto-generated, don't edit it. Thanks.
package main

import (
  "os"
  util  "github.com/alibabacloud-go/tea-utils/v2/service"
  dingtalkcalendar_1_0  "github.com/alibabacloud-go/dingtalk/calendar_1_0"
  openapi  "github.com/alibabacloud-go/darabonba-openapi/v2/client"
  "github.com/alibabacloud-go/tea/tea"
)

/**
 * Initialize the account Client with a Token
 * @return Client
 * @throws Exception
 */
func CreateClient () (_result *dingtalkcalendar_1_0.Client, _err error) {
  config := &openapi.Config{}
  config.Protocol = tea.String("https")
  config.RegionId = tea.String("central")
  _result = &dingtalkcalendar_1_0.Client{}
  _result, _err = dingtalkcalendar_1_0.NewClient(config)
  return _result, _err
}

func _main (args []*string) (_err error) {
  client, _err := CreateClient()
  if _err != nil {
    return _err
  }

  createEventHeaders := &dingtalkcalendar_1_0.CreateEventHeaders{}
  createEventHeaders.XAcsDingtalkAccessToken = tea.String("<your access token>")
  richTextDescription := &dingtalkcalendar_1_0.CreateEventRequestRichTextDescription{
    Text: tea.String("<div class=\"__aliyun_email_body_block\"><div  style=\"clear:both;\"><span  style=\"text-decoration:line-through;\">Sample strikethrough text</span></div><div  style=\"clear:both;\"><span  style=\"color:#ff0000;\">Sample red text</span></div><div  style=\"clear:both;\"><span  style=\"text-decoration:underline;\">Sample underlined text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;\">Sample bold text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;font-style:italic;\">Sample bold italic text</span></div></div>"),
  }
  uiConfigs0 := &dingtalkcalendar_1_0.CreateEventRequestUiConfigs{
    UiName: tea.String("updateEventButton"),
    UiStatus: tea.String("hide"),
  }
  extra := map[string]*string{
    "noChatNotification": tea.String("true"),
    "noPushNotification": tea.String("true"),
  }
  onlineMeetingInfo := &dingtalkcalendar_1_0.CreateEventRequestOnlineMeetingInfo{
    Type: tea.String("dingtalk"),
  }
  reminders0 := &dingtalkcalendar_1_0.CreateEventRequestReminders{
    Method: tea.String("dingtalk"),
    Minutes: tea.Int32(15),
  }
  location := &dingtalkcalendar_1_0.CreateEventRequestLocation{
    DisplayName: tea.String("dingtalk"),
  }
  attendees0 := &dingtalkcalendar_1_0.CreateEventRequestAttendees{
    Id: tea.String("iiiP35sJxxx"),
    IsOptional: tea.Bool(false),
  }
  recurrenceRange := &dingtalkcalendar_1_0.CreateEventRequestRecurrenceRange{
    Type: tea.String("endDate"),
    EndDate: tea.String("2021-12-31T10:15:30+08:00"),
    NumberOfOccurrences: tea.Int32(5),
  }
  recurrencePattern := &dingtalkcalendar_1_0.CreateEventRequestRecurrencePattern{
    Type: tea.String("daily"),
    DayOfMonth: tea.Int32(1),
    DaysOfWeek: tea.String("monday"),
    Index: tea.String("last"),
    Interval: tea.Int32(1),
    FirstDayOfWeek: tea.String("monday"),
  }
  recurrence := &dingtalkcalendar_1_0.CreateEventRequestRecurrence{
    Pattern: recurrencePattern,
    Range: recurrenceRange,
  }
  end := &dingtalkcalendar_1_0.CreateEventRequestEnd{
    Date: tea.String("2020-09-21"),
    DateTime: tea.String("2021-09-20T10:15:30+08:00"),
    TimeZone: tea.String("Asia/Shanghai"),
  }
  start := &dingtalkcalendar_1_0.CreateEventRequestStart{
    Date: tea.String("2021-09-20"),
    DateTime: tea.String("2021-09-20T10:15:30+08:00"),
    TimeZone: tea.String("Asia/Shanghai"),
  }
  createEventRequest := &dingtalkcalendar_1_0.CreateEventRequest{
    Summary: tea.String("test event"),
    Description: tea.String("something about this event"),
    Start: start,
    End: end,
    IsAllDay: tea.Bool(false),
    Recurrence: recurrence,
    Attendees: []*dingtalkcalendar_1_0.CreateEventRequestAttendees{attendees0},
    Location: location,
    Reminders: []*dingtalkcalendar_1_0.CreateEventRequestReminders{reminders0},
    OnlineMeetingInfo: onlineMeetingInfo,
    Extra: extra,
    UiConfigs: []*dingtalkcalendar_1_0.CreateEventRequestUiConfigs{uiConfigs0},
    RichTextDescription: richTextDescription,
  }
  tryErr := func()(_e error) {
    defer func() {
      if r := tea.Recover(recover()); r != nil {
        _e = r
      }
    }()
    _, _err = client.CreateEventWithOptions(tea.String("iiiP35sJadba8aBSgjrwPRKgiEiF"), tea.String("primary"), createEventRequest, createEventHeaders, &util.RuntimeOptions{})
    if _err != nil {
      return _err
    }

    return nil
  }()

  if tryErr != nil {
    var err = &tea.SDKError{}
    if _t, ok := tryErr.(*tea.SDKError); ok {
      err = _t
    } else {
      err.Message = tea.String(tryErr.Error())
    }
    if !tea.BoolValue(util.Empty(err.Code)) && !tea.BoolValue(util.Empty(err.Message)) {
      // err contains the code and message attributes, which help locate the issue
    }

  }
  return _err
}

func main() {
  err := _main(tea.StringSlice(os.Args[1:]))
  if err != nil {
    panic(err)
  }
}
```

Node.js

```python theme={"theme":{"light":"github-light","dark":"github-dark"}}
// This file is auto-generated, don't edit it
import Util, * as $Util from '@alicloud/tea-util';
import dingtalkcalendar_1_0, * as $dingtalkcalendar_1_0 from '@alicloud/dingtalk/calendar_1_0';
import OpenApi, * as $OpenApi from '@alicloud/openapi-client';
import * as $tea from '@alicloud/tea-typescript';

export default class Client {

  /**
   * Initialize the account Client with a Token
   * @return Client
   * @throws Exception
   */
  static createClient(): dingtalkcalendar_1_0 {
    let config = new $OpenApi.Config({ });
    config.protocol = "https";
    config.regionId = "central";
    return new dingtalkcalendar_1_0(config);
  }

  static async main(args: string[]): Promise<void> {
    let client = Client.createClient();
    let createEventHeaders = new $dingtalkcalendar_1_0.CreateEventHeaders({ });
    createEventHeaders.xAcsDingtalkAccessToken = "<your access token>";
    let richTextDescription = new $dingtalkcalendar_1_0.CreateEventRequestRichTextDescription({
      text: "<div class=\"__aliyun_email_body_block\"><div  style=\"clear:both;\"><span  style=\"text-decoration:line-through;\">Sample strikethrough text</span></div><div  style=\"clear:both;\"><span  style=\"color:#ff0000;\">Sample red text</span></div><div  style=\"clear:both;\"><span  style=\"text-decoration:underline;\">Sample underlined text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;\">Sample bold text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;font-style:italic;\">Sample bold italic text</span></div></div>",
    });
    let uiConfigs0 = new $dingtalkcalendar_1_0.CreateEventRequestUiConfigs({
      uiName: "updateEventButton",
      uiStatus: "hide",
    });
    let extra = {
      noChatNotification: "true",
      noPushNotification: "true",
    };
    let onlineMeetingInfo = new $dingtalkcalendar_1_0.CreateEventRequestOnlineMeetingInfo({
      type: "dingtalk",
    });
    let reminders0 = new $dingtalkcalendar_1_0.CreateEventRequestReminders({
      method: "dingtalk",
      minutes: 15,
    });
    let location = new $dingtalkcalendar_1_0.CreateEventRequestLocation({
      displayName: "dingtalk",
    });
    let attendees0 = new $dingtalkcalendar_1_0.CreateEventRequestAttendees({
      id: "iiiP35sJxxx",
      isOptional: false,
    });
    let recurrenceRange = new $dingtalkcalendar_1_0.CreateEventRequestRecurrenceRange({
      type: "endDate",
      endDate: "2021-12-31T10:15:30+08:00",
      numberOfOccurrences: 5,
    });
    let recurrencePattern = new $dingtalkcalendar_1_0.CreateEventRequestRecurrencePattern({
      type: "daily",
      dayOfMonth: 1,
      daysOfWeek: "monday",
      index: "last",
      interval: 1,
      firstDayOfWeek: "monday",
    });
    let recurrence = new $dingtalkcalendar_1_0.CreateEventRequestRecurrence({
      pattern: recurrencePattern,
      range: recurrenceRange,
    });
    let end = new $dingtalkcalendar_1_0.CreateEventRequestEnd({
      date: "2020-09-21",
      dateTime: "2021-09-20T10:15:30+08:00",
      timeZone: "Asia/Shanghai",
    });
    let start = new $dingtalkcalendar_1_0.CreateEventRequestStart({
      date: "2021-09-20",
      dateTime: "2021-09-20T10:15:30+08:00",
      timeZone: "Asia/Shanghai",
    });
    let createEventRequest = new $dingtalkcalendar_1_0.CreateEventRequest({
      summary: "test event",
      description: "something about this event",
      start: start,
      end: end,
      isAllDay: false,
      recurrence: recurrence,
      attendees: [
        attendees0
      ],
      location: location,
      reminders: [
        reminders0
      ],
      onlineMeetingInfo: onlineMeetingInfo,
      extra: extra,
      uiConfigs: [
        uiConfigs0
      ],
      richTextDescription: richTextDescription,
    });
    try {
      await client.createEventWithOptions("iiiP35sJadba8aBSgjrwPRKgiEiF", "primary", createEventRequest, createEventHeaders, new $Util.RuntimeOptions({ }));
    } catch (err) {
      if (!Util.empty(err.code) && !Util.empty(err.message)) {
        // err contains the code and message attributes, which help locate the issue
      }

    }    
  }

}

Client.main(process.argv.slice(2));
```

C#

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
// This file is auto-generated, don't edit it. Thanks.

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample 
    {

        /**
         * Initialize the account Client with a Token
         * @return Client
         * @throws Exception
         */
        public static AlibabaCloud.SDK.Dingtalkcalendar_1_0.Client CreateClient()
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config();
            config.Protocol = "https";
            config.RegionId = "central";
            return new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Client(config);
        }

        public static void Main(string[] args)
        {
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Client client = CreateClient();
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventHeaders createEventHeaders = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventHeaders();
            createEventHeaders.XAcsDingtalkAccessToken = "<your access token>";
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRichTextDescription richTextDescription = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRichTextDescription
            {
                Text = "<div class=\"__aliyun_email_body_block\"><div  style=\"clear:both;\"><span  style=\"text-decoration:line-through;\">Sample strikethrough text</span></div><div  style=\"clear:both;\"><span  style=\"color:#ff0000;\">Sample red text</span></div><div  style=\"clear:both;\"><span  style=\"text-decoration:underline;\">Sample underlined text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;\">Sample bold text</span></div><div  style=\"clear:both;\"><span  style=\"font-weight:700;font-style:italic;\">Sample bold italic text</span></div></div>",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestUiConfigs uiConfigs0 = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestUiConfigs
            {
                UiName = "updateEventButton",
                UiStatus = "hide",
            };
            Dictionary<string, string> extra = new Dictionary<string, string>
            {
                {"noChatNotification", “true”},
                {"noPushNotification", "true"},
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestOnlineMeetingInfo onlineMeetingInfo = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestOnlineMeetingInfo
            {
                Type = "dingtalk",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestReminders reminders0 = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestReminders
            {
                Method = "dingtalk",
                Minutes = 15,
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestLocation location = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestLocation
            {
                DisplayName = "dingtalk",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestAttendees attendees0 = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestAttendees
            {
                Id = "iiiP35sJxxx",
                IsOptional = false,
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence.CreateEventRequestRecurrenceRange recurrenceRange = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence.CreateEventRequestRecurrenceRange
            {
                Type = "endDate",
                EndDate = "2021-12-31T10:15:30+08:00",
                NumberOfOccurrences = 5,
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence.CreateEventRequestRecurrencePattern recurrencePattern = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence.CreateEventRequestRecurrencePattern
            {
                Type = "daily",
                DayOfMonth = 1,
                DaysOfWeek = "monday",
                Index = "last",
                Interval = 1,
                FirstDayOfWeek = "monday",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence recurrence = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestRecurrence
            {
                Pattern = recurrencePattern,
                Range = recurrenceRange,
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestEnd end = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestEnd
            {
                Date = "2020-09-21",
                DateTime = "2021-09-20T10:15:30+08:00",
                TimeZone = "Asia/Shanghai",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestStart start = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestStart
            {
                Date = "2021-09-20",
                DateTime = "2021-09-20T10:15:30+08:00",
                TimeZone = "Asia/Shanghai",
            };
            AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest createEventRequest = new AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest
            {
                Summary = "test event",
                Description = "something about this event",
                Start = start,
                End = end,
                IsAllDay = false,
                Recurrence = recurrence,
                Attendees = new List<AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestAttendees>
                {
                    attendees0
                },
                Location = location,
                Reminders = new List<AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestReminders>
                {
                    reminders0
                },
                OnlineMeetingInfo = onlineMeetingInfo,
                Extra = extra,
                UiConfigs = new List<AlibabaCloud.SDK.Dingtalkcalendar_1_0.Models.CreateEventRequest.CreateEventRequestUiConfigs>
                {
                    uiConfigs0
                },
                RichTextDescription = richTextDescription,
            };
            try
            {
                client.CreateEventWithOptions("iiiP35sJadba8aBSgjrwPRKgiEiF", "primary", createEventRequest, createEventHeaders, new AlibabaCloud.TeaUtil.Models.RuntimeOptions());
            }
            catch (TeaException err)
            {
                if (!AlibabaCloud.TeaUtil.Common.Empty(err.Code) && !AlibabaCloud.TeaUtil.Common.Empty(err.Message))
                {
                    // err contains the code and message attributes, which help locate the issue
                }
            }
            catch (Exception _err)
            {
                TeaException err = new TeaException(new Dictionary<string, object>
                {
                    { "message", _err.Message }
                });
                if (!AlibabaCloud.TeaUtil.Common.Empty(err.Code) && !AlibabaCloud.TeaUtil.Common.Empty(err.Message))
                {
                    // err contains the code and message attributes, which help locate the issue
                }
            }
        }

    }
}
```

## Response

### Response body

| Name                | Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| ------------------- | ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| id                  | String  | The event ID.                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| summary             | String  | The event title.                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| description         | String  | The event description.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| start               | Object  | The event start time.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| date                | String  | The event start date in yyyy-MM-dd format.    - Required for all-day events. - Must be left blank for non-all-day events.                                                                                                                                                                                                                                                                                                                                |
| dateTime            | String  | The event start time in ISO-8601 date-time format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                                        |
| timeZone            | String  | The time zone of the event start time, in TZ database name format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                        |
| end                 | Object  | The event end time.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| date                | String  | The event end date in yyyy-MM-dd format.    - Required for all-day events. - Must be left blank for non-all-day events.                                                                                                                                                                                                                                                                                                                                  |
| dateTime            | String  | The event end time in ISO-8601 date-time format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                                                                                          |
| timeZone            | String  | The time zone of the event end time. Must be the same as the time zone of the start time, in TZ database name format.    - Must be left blank for all-day events. - Required for non-all-day events.                                                                                                                                                                                                                                                     |
| isAllDay            | Boolean | Whether the event is all-day.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                                        |
| recurrence          | Object  | The event recurrence rule.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| pattern             | Object  | The recurrence pattern.                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| type                | String  | The recurrence pattern type.   - **daily**: Repeats every **interval** days. - **weekly**: Repeats on the **daysOfWeek** of every **interval** weeks. - **absoluteMonthly**: Repeats on day **dayOfMonth** of every **interval** months. - **relativeMonthly**: Repeats on **daysOfWeek** of the **index** week of every **interval** months. - **absoluteYearly**: Repeats every **interval** years.                                                    |
| dayOfMonth          | Integer | When **type** is set to **absoluteMonthly**, specifies the day of the month.                                                                                                                                                                                                                                                                                                                                                                             |
| daysOfWeek          | String  | Lowercase English words to specify the day of the week. Separate multiple values with commas.                                                                                                                                                                                                                                                                                                                                                            |
| index               | String  | When **type** is set to **relativeMonthly**, specifies which week of the month.   - **first**: First week. - **second**: Second week. - **third**: Third week. - **fourth**: Fourth week. - **last**: Last week.                                                                                                                                                                                                                                         |
| interval            | Integer | The recurrence interval. The unit varies depending on the type.    For example:   - When **type** is **daily**, indicates an interval of N days. - When **type** is **absoluteYearly**, indicates an interval of N years.                                                                                                                                                                                                                                |
| firstDayOfWeek      | String  | The first day of the week. Valid values: sunday, monday, tuesday, wednesday, thursday, friday, saturday. Default value: "sunday".                                                                                                                                                                                                                                                                                                                        |
| range               | Object  | The recurrence range.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| type                | String  | The recurrence range type.   - **noEnd**: Never ends. - **endDate**: Ends on the specified date. - **numbered**: Ends after the specified number of occurrences.                                                                                                                                                                                                                                                                                         |
| endDate             | String  | The recurrence end date.                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| numberOfOccurrences | Integer | The number of recurrences.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| attendees           | Array   | The list of attendees.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| id                  | String  | The user's unionId.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| displayName         | String  | The user's name.                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| responseStatus      | String  | The attendee's response status.   - **needsAction**: No action taken (default state). - **accepted**: Accepted. - **declined**: Declined. - **tentative**: Tentatively accepted.                                                                                                                                                                                                                                                                         |
| self                | Boolean | Whether this is the current operating user.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                          |
| isOptional          | Boolean | Whether the attendee is optional.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                                    |
| organizer           | Object  | The event organizer.                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| id                  | String  | The user's unionId.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| displayName         | String  | The user's name.                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| responseStatus      | String  | The response status.                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| self                | Boolean | Whether this is the current user.   - **true**: Yes. - **false**: No.                                                                                                                                                                                                                                                                                                                                                                                    |
| location            | Object  | The event location.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| displayName         | String  | The location name.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| reminders           | Array   | The event reminders.                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| method              | String  | The reminder method.   - **dingtalk**: In-app reminder. - **sms**: SMS reminder. - **phone**: Phone reminder.                                                                                                                                                                                                                                                                                                                                            |
| minutes             | String  | How many minutes before the event to send the reminder.                                                                                                                                                                                                                                                                                                                                                                                                  |
| createTime          | String  | The created time.                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| updateTime          | String  | The update time.                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| onlineMeetingInfo   | Object  | The online meeting information.                                                                                                                                                                                                                                                                                                                                                                                                                          |
| type                | String  | The online meeting type.   - **dingtalk**: DingTalk Video Meeting.                                                                                                                                                                                                                                                                                                                                                                                       |
| conferenceId        | String  | The meeting ID.                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| url                 | String  | The URL for joining the meeting.                                                                                                                                                                                                                                                                                                                                                                                                                         |
| extraInfo           | Map     | Other extension information.                                                                                                                                                                                                                                                                                                                                                                                                                             |
| uiConfigs           | Array   | UI configuration that controls the display of components on the event details page.                                                                                                                                                                                                                                                                                                                                                                      |
| uiName              | String  | The component name. Valid values (continuously updated):   - **updateEventButton**: Edit event button. - **deleteEventButton**: Delete event button. - **transferEventButton**: Transfer event button. - **attendee**: Attendees section. - **comment**: Event comments section.                                                                                                                                                                         |
| uiStatus            | String  | The component status. Valid values:   - **hide**: Hidden. - **disable**: Disabled (supported in the new details page; not supported in older versions, where the component will be hidden).    Button components: cannot be clicked.   Section components: cannot be interacted with. For example, if the comments section is set to disable, comments cannot be written, but existing comments remain visible. - **enable**: Available (default state). |
| richTextDescription | Object  | The rich text description.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| text                | String  | The rich text description content.                                                                                                                                                                                                                                                                                                                                                                                                                       |

### Response body example

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
HTTP/1.1 200 OK
Content-Type:application/json

{
  "id" : "iiiP35sJadba8aBSgjrwPRKgiEiF",
  "summary" : "some event",
  "description" : "something about this event",
  "start" : {
    "date" : "2020-01-01",
    "dateTime" : "2020-01-01T10:15:30+08:00",
    "timeZone" : "Asia/Shanghai"
  },
  "end" : {
    "date" : "2020-01-01",
    "dateTime" : "2020-01-01T10:15:30+08:00",
    "timeZone" : "Asia/Shanghai"
  },
  "isAllDay" : false,
  "recurrence" : {
    "pattern" : {
      "type" : "daily",
      "dayOfMonth" : 14,
      "daysOfWeek" : "sunday",
      "index" : "first",
      "interval" : 1
    },
    "range" : {
      "type" : "noEnd",
      "endDate" : "2020-01-01T10:15:30+08:00",
      "numberOfOccurrences" : 5
    }
  },
  "attendees" : [ {
    "id" : "iiiP35sJadba8aBSgjrwPRKgiEiF",
    "displayName" : "jack",
    "responseStatus" : "accepted",
    "self" : false,
    "isOptional" : false
  } ],
  "organizer" : {
    "id" : "iiiP35sJadba8aBSgjrwPRKgiEiF",
    "displayName" : "tony",
    "responseStatus" : "accepted",
    "self" : false
  },
  "location" : {
    "displayName" : "room 1-2-3"
  },
  "reminders" : [ {
    "method" : "dingtalk",
    "minutes" : "15"
  } ],
  "createTime" : "2020-01-01T10:15:30+08:00",
  "updateTime" : "2020-01-01T10:15:30+08:00",
  "onlineMeetingInfo" : {
    "type" : "dingtalk",
    "conferenceId" : "123",
    "url" : "http://meeting"
  },
  "uiConfigs" : [ {
    "uiName" : "updateEventButton",
    "uiStatus" : "hide"
  } ]
}
```

### Error codes

If an error occurs when calling this API, refer to the [Global error codes](/open/development/server-api-error-codes-1) document to find a solution based on the error message.

| HttpCode | Error code            | Error message                                              | Description                                          |
| -------- | --------------------- | ---------------------------------------------------------- | ---------------------------------------------------- |
| 400      | invalidParameter      | forwardErrorMessage                                        | Invalid parameter.                                   |
| 400      | invalidParameter      | CalendarId cannot be blank                                 | The calendar ID cannot be empty.                     |
| 400      | invalidParameter      | Event must be provided.                                    | The event cannot be empty.                           |
| 400      | invalidParameter      | Event summary cannot be blank                              | The event title cannot be empty.                     |
| 400      | invalidParameter      | Event start time not set.                                  | The event start time is not set.                     |
| 400      | invalidParameter      | Event end time not set.                                    | The event end time is not set.                       |
| 400      | invalidParameter      | Recurrence range numberOfOccurrences must between \[1, 99] | numberOfOccurrences must be within \[1, 99].         |
| 400      | invalidParameter      | Recurrence interval must between \[1, 365]                 | interval must be within \[1, 365].                   |
| 400      | permissionDeny        | permissionDeny                                             | The user is not within the authorized scope.         |
| 400      | idempotencyProcessing | Idempotency processing                                     | The idempotent request is being processed.           |
| 400      | flowLimit             | current user can not create events exceed 100 per day      | Each user is limited to creating 100 events per day. |
| 404      | itemNotFound          | forwardErrorMessage                                        | The specified event cannot be found.                 |
