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After Group Message Is Sent

Feature Overview
This webhook event is used by the app backend to check users' messages in real time. The app backend can be notified when a  message is sent successfully and can synchronize the data as required.
Limits
To enable this webhook, you must configure a callback URL and enable the corresponding switch for this webhook. For more information on the configuration method, see Webhook Configuration.
During this webhook event, the Chat backend initiates an HTTP POST request to the app backend.
After receiving the webhook 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 Webhook Overview.
Webhook Triggering Scenarios
An app user sends a room message on the client.
The app admin sends a room message via RESTful APIs.
Webhook Triggering Timing
The webhook is triggered after a room message is sent successfully.
API Calling Description
Sample request URL
In the following sample, the webhook 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
Webhook URL
SdkAppid
The SDKAppID assigned by the Chat console when the app is created
CallbackCommand
Fixed value: Group.CallbackAfterSendMsg.
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 Webhook Overview.
Sample requests
{
    "CallbackCommand": "Group.CallbackAfterSendMsg", // Webhook command
    "GroupId": "@TGS#2J4SZEAEL", // Room ID
    "Type": "Live", // Room type
    "From_Account": "jared", // Sender
    "Operator_Account":"admin", // Request initiator
    "Random": 123456, // Random number
    "MsgId": "144115233406643804-1727580296-4026038328", // Unique identifier of the message on the client
    "MsgSeq": 123, // Sequence number of the message
    "MsgTime": 1490686222, // Time of the message
    "MsgBody": [ // Message body. For more information, see the `TIMMessage` message object.
        {
            "MsgType": "TIMTextElem", // Text
            "MsgContent":{
                "Text": "red packet"
            }
        }
    ],
    "CloudCustomData": "your cloud custom data",
    "EventTime":"1670574414123"// Event trigger timestamp in milliseconds		
}
Request fields
Field
Type
Description
CallbackCommand
String
Webhook command.
GroupId
String
ID of the room that generates room messages.
Type
String
Type of the room that generates room messages, Fixed to Live. 
From_Account
String
UserID of the message sender.
Operator_Account
String
UserID of the request initiator, based on which the system can identify whether the request is initiated by the admin.
Random
Integer
A 32-bit random number in the request.
MsgId
String
Unique identifier of the message on the client.
MsgSeq
Integer
Message sequence number, which uniquely identifies a message.
Room messages are sorted by MsgSeq. The larger the MsgSeq value, the lower a message ranks.
MsgTime
Integer
Message sending timestamp, corresponding to the backend server time.
MsgBody
Array
Message body. The content is related to the message request, as detailed in Send Normal Message and Send Custom Message.
CloudCustomData
String
Custom message data. It is saved in the cloud and will be sent to the receiver. Such data can be pulled after the app is uninstalled and reinstalled. The content is related to the message request, as detailed in Send Normal Message.
EventTime
Integer
Event trigger timestamp in milliseconds.
Note: 
After speaking in the room, reuse the callback capability of IM group messages. In the callback, MsgBody and CloudCustomData are the results of packaging the message send request. For details, see Send Normal Message and Send Custom Message.
Sample response
A response is sent after the app backend synchronizes the data.
{
    "ActionStatus": "OK",
    "ErrorInfo": "",
    "ErrorCode": 0 //The value `0` indicates that the webhook result is ignored.
}
Response fields
Field
Type
Required
Description
ActionStatus
String
Yes
Request result. OK: Successful; FAIL: Failed.
ErrorCode
Integer
Yes
Error code. The value 0 indicates that the webhook result is ignored.
ErrorInfo
String
Yes
Error information.
References
﻿Webhook Overview﻿
﻿

Parameter	Description
https	The request protocol is HTTPS, and the request method is POST.
www.example.com	Webhook URL
SdkAppid	The `SDKAppID` assigned by the Chat console when the app is created
CallbackCommand	Fixed value: `Group.CallbackAfterSendMsg`.
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 Webhook Overview.

Field	Type	Description
CallbackCommand	String	Webhook command.
GroupId	String	ID of the room that generates room messages.
Type	String	Type of the room that generates room messages, Fixed to `Live`.
From_Account	String	`UserID` of the message sender.
Operator_Account	String	`UserID` of the request initiator, based on which the system can identify whether the request is initiated by the admin.
Random	Integer	A 32-bit random number in the request.
MsgId	String	Unique identifier of the message on the client.
MsgSeq	Integer	Message sequence number, which uniquely identifies a message. Room messages are sorted by `MsgSeq`. The larger the `MsgSeq` value, the lower a message ranks.
MsgTime	Integer	Message sending timestamp, corresponding to the backend server time.
MsgBody	Array	Message body. The content is related to the message request, as detailed in Send Normal Message and Send Custom Message.
CloudCustomData	String	Custom message data. It is saved in the cloud and will be sent to the receiver. Such data can be pulled after the app is uninstalled and reinstalled. The content is related to the message request, as detailed in Send Normal Message.
EventTime	Integer	Event trigger timestamp in milliseconds.

Field	Type	Required	Description
ActionStatus	String	Yes	Request result. `OK`: Successful; `FAIL`: Failed.
ErrorCode	Integer	Yes	Error code. The value `0` indicates that the webhook result is ignored.
ErrorInfo	String	Yes	Error information.