> ## 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.

# Query the meeting room group list

> Call this API to query the meeting room group list, including group names, group IDs, and parent group IDs.

Call this API to query the meeting room group list and obtain information such as group name, group ID, and parent group ID.

## Request

### Basic information

| Field                | Value                                                                                          |
| -------------------- | ---------------------------------------------------------------------------------------------- |
| HTTP URL             | [https://api.dingtalk.io/v1.0/rooms/groupLists](https://api.dingtalk.io/v1.0/rooms/groupLists) |
| HTTP Method          | GET                                                                                            |
| Supported app types  | appType-Internal app　appType-Third-party enterprise app                                        |
| Required permissions | permission-VideoConference.Conference.Read-Video Meeting information read permission           |

### Request headers

| Name                        | Type   | Required | Description                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| --------------------------- | ------ | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| x-acs-dingtalk-access-token | String | Yes      | The access credential for calling this API. Obtain it as follows:   - For an internal app, call the [Get 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 [Get the access token of an organization authorized to a third-party app](https://open.dingtalk.com/document/development/obtain-the-access-token-of-the-authorized-enterprise-1#) API. |

### Query parameters

| Name    | Type   | Required | Description                                                                                                          |
| ------- | ------ | -------- | -------------------------------------------------------------------------------------------------------------------- |
| unionId | String | Yes      | The unionId of the operator. To obtain it, call the [Query user details](/open/development/query-user-details#) API. |

### Request example

HTTP

```http theme={"theme":{"light":"github-light","dark":"github-dark"}}
GET /v1.0/rooms/groupLists?unionId=2iPOLxxxxx HTTP/1.1
Host:api.dingtalk.io
x-acs-dingtalk-access-token:xxxxx
Content-Type:application/json
```

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.dingtalkrooms_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.dingtalkrooms_1_0.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        java.util.List<String> args = java.util.Arrays.asList(args_);
        com.aliyun.dingtalkrooms_1_0.Client client = Sample.createClient();
        com.aliyun.dingtalkrooms_1_0.models.QueryMeetingRoomGroupListHeaders queryMeetingRoomGroupListHeaders = new com.aliyun.dingtalkrooms_1_0.models.QueryMeetingRoomGroupListHeaders();
        queryMeetingRoomGroupListHeaders.xAcsDingtalkAccessToken = "<your access token>";
        com.aliyun.dingtalkrooms_1_0.models.QueryMeetingRoomGroupListRequest queryMeetingRoomGroupListRequest = new com.aliyun.dingtalkrooms_1_0.models.QueryMeetingRoomGroupListRequest()
                .setUnionId("2iPOLxxxxx");
        try {
            client.queryMeetingRoomGroupListWithOptions(queryMeetingRoomGroupListRequest, queryMeetingRoomGroupListHeaders, 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 sys

from typing import List

from alibabacloud_dingtalk.rooms_1_0.client import Client as dingtalkrooms_1_0Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_dingtalk.rooms_1_0 import models as dingtalkrooms__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() -> dingtalkrooms_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 dingtalkrooms_1_0Client(config)

    @staticmethod
    def main(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        query_meeting_room_group_list_headers = dingtalkrooms__1__0_models.QueryMeetingRoomGroupListHeaders()
        query_meeting_room_group_list_headers.x_acs_dingtalk_access_token = '<your access token>'
        query_meeting_room_group_list_request = dingtalkrooms__1__0_models.QueryMeetingRoomGroupListRequest(
            union_id='2iPOLxxxxx'
        )
        try:
            client.query_meeting_room_group_list_with_options(query_meeting_room_group_list_request, query_meeting_room_group_list_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()
        query_meeting_room_group_list_headers = dingtalkrooms__1__0_models.QueryMeetingRoomGroupListHeaders()
        query_meeting_room_group_list_headers.x_acs_dingtalk_access_token = '<your access token>'
        query_meeting_room_group_list_request = dingtalkrooms__1__0_models.QueryMeetingRoomGroupListRequest(
            union_id='2iPOLxxxxx'
        )
        try:
            await client.query_meeting_room_group_list_with_options_async(query_meeting_room_group_list_request, query_meeting_room_group_list_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

```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\Vrooms_1_0\Dingtalk;
use \Exception;
use AlibabaCloud\Tea\Exception\TeaError;
use AlibabaCloud\Tea\Utils\Utils;

use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Dingtalk\Vrooms_1_0\Models\QueryMeetingRoomGroupListHeaders;
use AlibabaCloud\SDK\Dingtalk\Vrooms_1_0\Models\QueryMeetingRoomGroupListRequest;
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();
        $queryMeetingRoomGroupListHeaders = new QueryMeetingRoomGroupListHeaders([]);
        $queryMeetingRoomGroupListHeaders->xAcsDingtalkAccessToken = "<your access token>";
        $queryMeetingRoomGroupListRequest = new QueryMeetingRoomGroupListRequest([
            "unionId" => "2iPOLxxxxx"
        ]);
        try {
            $client->queryMeetingRoomGroupListWithOptions($queryMeetingRoomGroupListRequest, $queryMeetingRoomGroupListHeaders, 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"
  dingtalkrooms_1_0  "github.com/alibabacloud-go/dingtalk/rooms_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 *dingtalkrooms_1_0.Client, _err error) {
  config := &openapi.Config{}
  config.Protocol = tea.String("https")
  config.RegionId = tea.String("central")
  _result = &dingtalkrooms_1_0.Client{}
  _result, _err = dingtalkrooms_1_0.NewClient(config)
  return _result, _err
}

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

  queryMeetingRoomGroupListHeaders := &dingtalkrooms_1_0.QueryMeetingRoomGroupListHeaders{}
  queryMeetingRoomGroupListHeaders.XAcsDingtalkAccessToken = tea.String("<your access token>")
  queryMeetingRoomGroupListRequest := &dingtalkrooms_1_0.QueryMeetingRoomGroupListRequest{
    UnionId: tea.String("2iPOLxxxxx"),
  }
  tryErr := func()(_e error) {
    defer func() {
      if r := tea.Recover(recover()); r != nil {
        _e = r
      }
    }()
    _, _err = client.QueryMeetingRoomGroupListWithOptions(queryMeetingRoomGroupListRequest, queryMeetingRoomGroupListHeaders, &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 dingtalkrooms_1_0, * as $dingtalkrooms_1_0 from '@alicloud/dingtalk/rooms_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(): dingtalkrooms_1_0 {
    let config = new $OpenApi.Config({ });
    config.protocol = "https";
    config.regionId = "central";
    return new dingtalkrooms_1_0(config);
  }

  static async main(args: string[]): Promise<void> {
    let client = Client.createClient();
    let queryMeetingRoomGroupListHeaders = new $dingtalkrooms_1_0.QueryMeetingRoomGroupListHeaders({ });
    queryMeetingRoomGroupListHeaders.xAcsDingtalkAccessToken = "<your access token>";
    let queryMeetingRoomGroupListRequest = new $dingtalkrooms_1_0.QueryMeetingRoomGroupListRequest({
      unionId: "2iPOLxxxxx",
    });
    try {
      await client.queryMeetingRoomGroupListWithOptions(queryMeetingRoomGroupListRequest, queryMeetingRoomGroupListHeaders, 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.Dingtalkrooms_1_0.Client CreateClient()
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config();
            config.Protocol = "https";
            config.RegionId = "central";
            return new AlibabaCloud.SDK.Dingtalkrooms_1_0.Client(config);
        }

        public static void Main(string[] args)
        {
            AlibabaCloud.SDK.Dingtalkrooms_1_0.Client client = CreateClient();
            AlibabaCloud.SDK.Dingtalkrooms_1_0.Models.QueryMeetingRoomGroupListHeaders queryMeetingRoomGroupListHeaders = new AlibabaCloud.SDK.Dingtalkrooms_1_0.Models.QueryMeetingRoomGroupListHeaders();
            queryMeetingRoomGroupListHeaders.XAcsDingtalkAccessToken = "<your access token>";
            AlibabaCloud.SDK.Dingtalkrooms_1_0.Models.QueryMeetingRoomGroupListRequest queryMeetingRoomGroupListRequest = new AlibabaCloud.SDK.Dingtalkrooms_1_0.Models.QueryMeetingRoomGroupListRequest
            {
                UnionId = "2iPOLxxxxx",
            };
            try
            {
                client.QueryMeetingRoomGroupListWithOptions(queryMeetingRoomGroupListRequest, queryMeetingRoomGroupListHeaders, 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          |
| --------- | ------ | -------------------- |
| result    | Array  | The result list.     |
| groupId   | Long   | The group ID.        |
| groupName | String | The group name.      |
| parentId  | Long   | The parent group ID. |

### Response body example

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

{
  "result" : [ {
    "groupId" : 172,
    "groupName" : "Test group",
    "parentId" : 0
  } ]
}
```

### Error codes

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

| HttpCode | Error code        | Error message     | Description                    |
| -------- | ----------------- | ----------------- | ------------------------------ |
| 400      | param.error       | Param Error       | Missing parameter error.       |
| 400      | user.not.employee | User Not Employee | The user is not an employee.   |
| 400      | org.not.found     | Org Not Found     | The organization is not found. |
| 500      | system.error      | System Error      | System error.                  |
| 500      | group.query.error | Group Query Error | Group query error.             |