> ## 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.

# 发送文件到指定会话

> 调用本接口可将文件发送到指定的会话中，供会话成员查看与下载。

调用本接口，发送文件到指定会话。

## 请求

### 基本信息

| 字段          | 值                                                                                                                                |
| ----------- | -------------------------------------------------------------------------------------------------------------------------------- |
| HTTP URL    | [https://api.dingtalk.io/v1.0/convFile/conversations/files/send](https://api.dingtalk.io/v1.0/convFile/conversations/files/send) |
| HTTP Method | POST                                                                                                                             |
| 支持的应用类型     | appType-企业内部应用                                                                                                                   |
| 权限要求        | permission-ConvFile.File.Send-群文件发送权限                                                                                            |

### 请求头

| 名称                          | 类型     | 是否必填 | 描述                                                                                                           |
| --------------------------- | ------ | ---- | ------------------------------------------------------------------------------------------------------------ |
| x-acs-dingtalk-access-token | String | 是    | 调用该接口的访问凭证，通过调用[获取企业内部应用的accessToken](/zh/open/development/obtain-the-access-token-of-an-internal-app#)接口获取。 |

### 查询参数

| 名称      | 类型     | 是否必填 | 描述                                                                     |
| ------- | ------ | ---- | ---------------------------------------------------------------------- |
| unionId | String | 是    | 操作人的unionId，可调用[查询用户详情](/zh/open/development/query-user-details#)接口获取。 |

### 请求体

| 名称                 | 类型     | 是否必填 | 描述                                                                                                                              |
| ------------------ | ------ | ---- | ------------------------------------------------------------------------------------------------------------------------------- |
| spaceId            | String | 是    | 空间ID，调用[添加空间](/zh/open/development/add-space#)接口获取id参数值。                                                                        |
| dentryId           | String | 是    | 文件ID，调用[获取文件或文件夹列表](https://open.dingtalk.com/document/development/obtain-the-file-list-storage#)接口获取id参数值。                     |
| openConversationId | String | 是    | 目标会话的openConversationId，调用[创建群](https://open.dingtalk.com/document/development/create-group-session#)接口获取openConversationId参数值。 |

### 请求示例

HTTP

```http theme={"theme":{"light":"github-light","dark":"github-dark"}}
POST /v1.0/convFile/conversations/files/send?unionId=chyxxxxx HTTP/1.1
Host:api.dingtalk.io
x-acs-dingtalk-access-token:xxxxx
Content-Type:application/json

{
  "spaceId" : "865xxxxx",
  "dentryId" : "897xxxxx",
  "openConversationId" : "cid+vIrzxxxxx"
}
```

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 {

    /**
     * 使用 Token 初始化账号Client
     * @return Client
     * @throws Exception
     */
    public static com.aliyun.dingtalkconv_file_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.dingtalkconv_file_1_0.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        java.util.List<String> args = java.util.Arrays.asList(args_);
        com.aliyun.dingtalkconv_file_1_0.Client client = Sample.createClient();
        com.aliyun.dingtalkconv_file_1_0.models.SendHeaders sendHeaders = new com.aliyun.dingtalkconv_file_1_0.models.SendHeaders();
        sendHeaders.xAcsDingtalkAccessToken = "<your access token>";
        com.aliyun.dingtalkconv_file_1_0.models.SendRequest sendRequest = new com.aliyun.dingtalkconv_file_1_0.models.SendRequest()
                .setUnionId("chyxxxxx")
                .setSpaceId("865xxxxx")
                .setDentryId("897xxxxx")
                .setOpenConversationId("cid+vIrzxxxxx");
        try {
            client.sendWithOptions(sendRequest, sendHeaders, 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 中含有 code 和 message 属性，可帮助开发定位问题
            }

        } 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 中含有 code 和 message 属性，可帮助开发定位问题
            }

        }        
    }
}
```

Python

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

from typing import List

from alibabacloud_dingtalk.convFile_1_0.client import Client as dingtalkconvFile_1_0Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_dingtalk.convFile_1_0 import models as dingtalkconv_file__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() -> dingtalkconvFile_1_0Client:
        """
        使用 Token 初始化账号Client
        @return: Client
        @throws Exception
        """
        config = open_api_models.Config()
        config.protocol = 'https'
        config.region_id = 'central'
        return dingtalkconvFile_1_0Client(config)

    @staticmethod
    def main(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        send_headers = dingtalkconv_file__1__0_models.SendHeaders()
        send_headers.x_acs_dingtalk_access_token = '<your access token>'
        send_request = dingtalkconv_file__1__0_models.SendRequest(
            union_id='chyxxxxx',
            space_id='865xxxxx',
            dentry_id='897xxxxx',
            open_conversation_id='cid+vIrzxxxxx'
        )
        try:
            client.send_with_options(send_request, send_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err 中含有 code 和 message 属性，可帮助开发定位问题
                pass

    @staticmethod
    async def main_async(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        send_headers = dingtalkconv_file__1__0_models.SendHeaders()
        send_headers.x_acs_dingtalk_access_token = '<your access token>'
        send_request = dingtalkconv_file__1__0_models.SendRequest(
            union_id='chyxxxxx',
            space_id='865xxxxx',
            dentry_id='897xxxxx',
            open_conversation_id='cid+vIrzxxxxx'
        )
        try:
            await client.send_with_options_async(send_request, send_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err 中含有 code 和 message 属性，可帮助开发定位问题
                pass

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

PHP

```java 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\Vconv_file_1_0\Dingtalk;
use \Exception;
use AlibabaCloud\Tea\Exception\TeaError;
use AlibabaCloud\Tea\Utils\Utils;

use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Dingtalk\Vconv_file_1_0\Models\SendHeaders;
use AlibabaCloud\SDK\Dingtalk\Vconv_file_1_0\Models\SendRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

class Sample {

    /**
     * 使用 Token 初始化账号Client
     * @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();
        $sendHeaders = new SendHeaders([]);
        $sendHeaders->xAcsDingtalkAccessToken = "<your access token>";
        $sendRequest = new SendRequest([
            "unionId" => "chyxxxxx",
            "spaceId" => "865xxxxx",
            "dentryId" => "897xxxxx",
            "openConversationId" => "cid+vIrzxxxxx"
        ]);
        try {
            $client->sendWithOptions($sendRequest, $sendHeaders, 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 中含有 code 和 message 属性，可帮助开发定位问题
            }
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($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"
  dingtalkconvfile_1_0  "github.com/alibabacloud-go/dingtalk/convFile_1_0"
  openapi  "github.com/alibabacloud-go/darabonba-openapi/v2/client"
  "github.com/alibabacloud-go/tea/tea"
)

/**
 * 使用 Token 初始化账号Client
 * @return Client
 * @throws Exception
 */
func CreateClient () (_result *dingtalkconvfile_1_0.Client, _err error) {
  config := &openapi.Config{}
  config.Protocol = tea.String("https")
  config.RegionId = tea.String("central")
  _result = &dingtalkconvfile_1_0.Client{}
  _result, _err = dingtalkconvfile_1_0.NewClient(config)
  return _result, _err
}

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

  sendHeaders := &dingtalkconvfile_1_0.SendHeaders{}
  sendHeaders.XAcsDingtalkAccessToken = tea.String("<your access token>")
  sendRequest := &dingtalkconvfile_1_0.SendRequest{
    UnionId: tea.String("chyxxxxx"),
    SpaceId: tea.String("865xxxxx"),
    DentryId: tea.String("897xxxxx"),
    OpenConversationId: tea.String("cid+vIrzxxxxx"),
  }
  tryErr := func()(_e error) {
    defer func() {
      if r := tea.Recover(recover()); r != nil {
        _e = r
      }
    }()
    _, _err = client.SendWithOptions(sendRequest, sendHeaders, &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 中含有 code 和 message 属性，可帮助开发定位问题
    }

  }
  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 dingtalkconvFile_1_0, * as $dingtalkconvFile_1_0 from '@alicloud/dingtalk/convFile_1_0';
import OpenApi, * as $OpenApi from '@alicloud/openapi-client';
import * as $tea from '@alicloud/tea-typescript';

export default class Client {

  /**
   * 使用 Token 初始化账号Client
   * @return Client
   * @throws Exception
   */
  static createClient(): dingtalkconvFile_1_0 {
    let config = new $OpenApi.Config({ });
    config.protocol = "https";
    config.regionId = "central";
    return new dingtalkconvFile_1_0(config);
  }

  static async main(args: string[]): Promise<void> {
    let client = Client.createClient();
    let sendHeaders = new $dingtalkconvFile_1_0.SendHeaders({ });
    sendHeaders.xAcsDingtalkAccessToken = "<your access token>";
    let sendRequest = new $dingtalkconvFile_1_0.SendRequest({
      unionId: "chyxxxxx",
      spaceId: "865xxxxx",
      dentryId: "897xxxxx",
      openConversationId: "cid+vIrzxxxxx",
    });
    try {
      await client.sendWithOptions(sendRequest, sendHeaders, new $Util.RuntimeOptions({ }));
    } catch (err) {
      if (!Util.empty(err.code) && !Util.empty(err.message)) {
        // err 中含有 code 和 message 属性，可帮助开发定位问题
      }

    }    
  }

}

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 
    {

        /**
         * 使用 Token 初始化账号Client
         * @return Client
         * @throws Exception
         */
        public static AlibabaCloud.SDK.Dingtalkconv_file_1_0.Client CreateClient()
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config();
            config.Protocol = "https";
            config.RegionId = "central";
            return new AlibabaCloud.SDK.Dingtalkconv_file_1_0.Client(config);
        }

        public static void Main(string[] args)
        {
            AlibabaCloud.SDK.Dingtalkconv_file_1_0.Client client = CreateClient();
            AlibabaCloud.SDK.Dingtalkconv_file_1_0.Models.SendHeaders sendHeaders = new AlibabaCloud.SDK.Dingtalkconv_file_1_0.Models.SendHeaders();
            sendHeaders.XAcsDingtalkAccessToken = "<your access token>";
            AlibabaCloud.SDK.Dingtalkconv_file_1_0.Models.SendRequest sendRequest = new AlibabaCloud.SDK.Dingtalkconv_file_1_0.Models.SendRequest
            {
                UnionId = "chyxxxxx",
                SpaceId = "865xxxxx",
                DentryId = "897xxxxx",
                OpenConversationId = "cid+vIrzxxxxx",
            };
            try
            {
                client.SendWithOptions(sendRequest, sendHeaders, new AlibabaCloud.TeaUtil.Models.RuntimeOptions());
            }
            catch (TeaException err)
            {
                if (!AlibabaCloud.TeaUtil.Common.Empty(err.Code) && !AlibabaCloud.TeaUtil.Common.Empty(err.Message))
                {
                    // err 中含有 code 和 message 属性，可帮助开发定位问题
                }
            }
            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 中含有 code 和 message 属性，可帮助开发定位问题
                }
            }
        }

    }
}
```

## 响应

### 响应体

| 名称             | 类型     | 描述                                                          |
| -------------- | ------ | ----------------------------------------------------------- |
| file           | Object | 发送到目标会话的文件信息。                                               |
| id             | String | 文件ID。                                                       |
| conversationId | String | 文件所在的会话ID。                                                  |
| spaceId        | String | 文件所在空间ID。                                                   |
| parentId       | String | 文件的父目录ID，根目录ID值为0。                                          |
| type           | String | 文件类型。   - **FILE**：文件 - **FOLDER**：文件夹                      |
| name           | String | 文件名称。                                                       |
| size           | Long   | 文件大小，单位Byte。                                                |
| path           | String | 文件路径。                                                       |
| version        | Long   | 文件版本号。                                                      |
| status         | String | 文件状态。   - **NORMAL**：正常 - **DELETED**：已删除 - **EXPIRED**：已过期 |
| extension      | String | 文件后缀。                                                       |
| creatorId      | String | 文件的创建者unionId。                                              |
| modifierId     | String | 文件的修改者unionId。                                              |
| createTime     | String | 文件的创建时间，iso8601格式，例如：2022-07-29T14:55Z。                     |
| modifiedTime   | String | 文件的修改时间，iso8601格式，例如：2022-07-29T14:55Z。                     |
| uuid           | String | 标识字段。                                                       |

### 响应体示例

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

{
  "file" : {
    "id" : "897xxxxx",
    "conversationId" : "cid+vIrzxxxxx",
    "spaceId" : "865xxxxx",
    "parentId" : "parent_id",
    "type" : "FILE",
    "name" : "测试文件.txt",
    "size" : 256,
    "path" : "./测试文件.txt",
    "version" : 1,
    "status" : "NORMAL",
    "extension" : "txt",
    "creatorId" : "chyxxxxx",
    "modifierId" : "chyxxxxx",
    "createTime" : "2022-01-01T10:00:00Z",
    "modifiedTime" : "2022-01-01T10:00:00Z",
    "uuid" : "123xxxxx"
  }
}
```

### 错误码

若调用该接口报错，可根据错误信息在[全局错误码](/zh/open/development/server-api-error-codes-1)文档中查找解决方案。

| HttpCode | 错误码                       | 错误信息          | 说明                                  |
| -------- | ------------------------- | ------------- | ----------------------------------- |
| 400      | paramError                | %s            | 参数错误                                |
| 400      | paramError.spaceId        | %s            | 参数错误-spaceId                        |
| 400      | paramError.dentryId       | %s            | 参数错误-dentryId                       |
| 400      | paramError.conversationId | %s            | 参数错误-conversationId                 |
| 400      | folderNotSupport          | %s            | 不支持发送文件夹                            |
| 403      | permissionDenied          | %s            | 用户缺少待发送文件的拷贝权限或者用户缺少目标会话存储空间添加文件的权限 |
| 404      | conversationNotExist      | %s            | 目标会话不存在                             |
| 500      | systemError               | %s            | 系统错误                                |
| 500      | unknownError              | Unknown Error | 未知错误                                |