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문서Chat서버 APIsWebhooksGroup WebhooksBefore Inviting a User to a Group

Before Inviting a User to a Group

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마지막 업데이트 시간: 2025-03-10 10:48:59

Feature Overview

This callback allows you to view a group member's request to invite another user to join the group on the app backend in real time. You can directly block such request on the app backend.

Notes

To enable this callback, you must configure a callback URL and toggle on the corresponding protocol. For more information on the configuration method, see Callback Configuration.
During this callback, the Chat backend initiates an HTTP POST request to the app backend.
After receiving the callback request, the app backend must check whether the SDKAppID contained in the request URL is the SDKAppID of the app.
For more security considerations, see the Security Considerations section in Third-Party Callback Overview.

Callback Triggering Scenarios

An app user sends a request to invite another user to join the group on the client.
The app admin adds a user to a group through the RESTful API.

Callback Triggering Timing

This callback will be triggered before the Chat backend adds the target user to the group (or after the friendship verification is passed, if relationship chain hosting is involved and friendship verification is configured in Chat for the app).

API Calling Description

Sample request URL

In the following sample, the callback URL configured in the app is https://www.example.com. Example:
https://www.example.com?SdkAppid=$SDKAppID&CallbackCommand=$CallbackCommand&contenttype=json&ClientIP=$ClientIP&OptPlatform=$OptPlatform

Request parameters

Parameter
Description
https
The request protocol is HTTPS, and the request method is POST.
www.example.com
Callback URL
SdkAppid
The SDKAppID assigned by the Chat console when the app is created
CallbackCommand
Fixed value: Group.CallbackBeforeInviteJoinGroup
contenttype
Fixed value: JSON.
ClientIP
Client IP, such as 127.0.0.1
OptPlatform
Client platform. For valid values, see the description of OptPlatform in the Callback Protocols section of Third-Party Callback Overview.

Sample request

 {
    "CallbackCommand": "Group.CallbackBeforeInviteJoinGroup",
    "GroupId": "@TGS#2J4SZEAEL",
    "Type": "Public",
    "Operator_Account": "leckie",
    "DestinationMembers": [
        {
            "Member_Account": "jared"
        },
        {
            "Member_Account": "leckie"
        }
    ],
    "EventTime":"1670574414123"// Event trigger timestamp in milliseconds		
}

Request fields

Field
Type
Description
CallbackCommand
String
Callback command
GroupId
String
Group ID
Type
String
Type of the group to be created (for more information, see Group System), such as Public.
Operator_Account
String
UserID of the request sender
DestinationMembers
Array
Set of UserID values of the group
EventTime
Integer
Event trigger timestamp in milliseconds

Sample response

Allowing all users to join the group

The app backend allows all users identified in all requests to join the group.
{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode": 0 // It indicates to allow further processing the group join request.
}

Blocking certain members from joining the group

The app backend blocks certain users identified in the requests from being invited to the group. The identifiers of such users are returned in RefusedMembers_Account.
{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode": 0,
    "RefusedMembers_Account": [ // List of users who refused to join the group
        "jared"
    ]
}

Response fields

Field
Type
Required
Description
ActionStatus
String
Yes
Request result. OK: Successful; FAIL: Failed
ErrorCode
Integer
Yes
Error code. 0 indicates to allow further processing the group join request; 1 indicates to reject the request. If you want to use the specified error code to reject a group join request, you need to pass in ErrorCode and ErrorInfo to the client, with ErrorCode in the range of [10100, 10200].
ErrorInfo
String
Yes
Error information
RefusedMembers_Account
Array
No
List of IDs of users who refused to join the group.

References

Third-Party Callback Overview
RESTful API: Adding Group Members
이전 주제: Before Applying to Join a Group다음 주제: After a User Joins a Group

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