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문서Chat서버 APIsWebhooksGroup WebhooksAfter a Group Message Extension Is Configured

After a Group Message Extension Is Configured

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마지막 업데이트 시간: 2026-01-04 17:41:05

Feature Overview

This webhook allows your app backend to monitor user message extension operations in group chats in real-time.

Notes

To receive this webhook, you must configure the callback URL and turn on the corresponding switch. For detailed configuration steps, see Webhook Overview.
The Chat backend sends HTTPS POST requests to your app backend. After receiving a webhook request, verify that the SDKAppID parameter matches your application's SDKAppID. For additional security considerations, see Webhook Overview: Security Considerations.

Webhook Triggering Scenarios

This webhook is triggered when message extensions are set for group chats through either:
Client SDK: Users configure message extensions via the client.
REST API: Admins configure message extensions using the Set Group Message Extension.

Webhook Triggering Timing

The webhook fires after a group message extension is successfully set.

API Description

Sample Request URL

In the following example, the callback URL configured for 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 in the chat console when creating an application.
CallbackCommand
Fixed as: Group.CallbackAfterGroupMsgExtension.
contenttype
Request body fixed as JSON.
ClientIP
Client IP address (e.g., 127.0.0.1).
OptPlatform
Client platform. For the valid values, see the description of the OptPlatform parameter in Webhook Protocol.

Sample request

// Set Message Extension KV
{
  "CallbackCommand": "Group.CallbackAfterGroupMsgExtension",
  "GroupId":"test",
  "MsgSeq":10,
  "OperateType":1,
  "ExtensionList":[
    {"Key":"key2","Value":"value2","Seq":56},  // Version number of a single KV
    {"Key":"key3","Value":"12122","Seq":56}
  ],
  "Seq":56, // Represents the latest version number of the entire message
  "EventTime":1764688294360
}

// Delete Message Extension KV
{
  "CallbackCommand": "Group.CallbackAfterGroupMsgExtension",
  "GroupId":"test",
  "MsgSeq":10,
  "OperateType":2,
  "ExtensionList":[
    {"Key":"key2","Value":"","Seq":57},
    {"Key":"key3","Value":"","Seq":57}
  ],
  "Seq":57, // Represents the latest version number of the entire message
  "EventTime":1764688312045
}

// Clear Message Extension KV
{
  "CallbackCommand": "Group.CallbackAfterGroupMsgExtension",
  "GroupId":"test",
  "MsgSeq":10,
  "OperateType":3,
  "ExtensionList":[],
  "Seq":58, // Represents the latest version number of the entire message
  "EventTime":1764688329047
}

Request fields

Field
Type
Description
CallbackCommand
String
Callback command.
GroupId
String
Group ID.
MsgSeq
Integer
Group message Seq.
OperateType
Integer
1: Set message extension key-value(KV) pairs.
2: Delete message extension KV.
3: Clear all message extension KV.
ExtensionList
Array
Array of message extension key-value pairs.
Seq
Integer
Version number.
EventTime
Integer
Event trigger timestamp, in milliseconds.

Sample response

{
  "ActionStatus": "OK",
  "ErrorInfo": "",
  "ErrorCode": 0 // 0: callback successful; 1: callback error.
}

Response fields

Field
Type
Required
Description
ActionStatus
String
Required
Request processing result:
OK: Successfully processed.
FAIL: Processing failed.
ErrorCode
Integer
Required
Error Code:
0: Callback processed successfully.
1: Callback processing error.
ErrorInfo
String
Required
Error Message.

References

Webhook Overview
REST API: Set Group Message Extension
이전 주제: After A One-to-One Message Is Recalled다음 주제: Group Creation Daily Net Increase Threshold Alarm Callback

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