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라이브 방송 그룹 멤버 온라인 및 오프라인 상태 콜백

Feature Overview

This webhook allows you to view the online and offline status (such as record logs) of an audio-video group in real time or synchronize the information to other systems on the app backend.

Reminders

To use this webhook, you need to purchase the Premium edition and enable the List of online audio-video group members feature on the Group feature configuration page in the console. After the feature is enabled in the console, the list of the latest 1,000 online members of an audio-video group will be stored and the list can be pulled on clients. If the feature is disabled in the console, the list cannot be pulled on clients, and only the list of the 30 latest group members can be pulled.
To enable this webhook, you must configure a webhook URL and toggle on the corresponding protocol. 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

App users abnormally exit after entering the audio-video group, and the network is disconnected for over 20 seconds.
App users abnormally exit after entering the audio-video group and go online after the network is disconnected for over 20 seconds.
App users first join the audio-video group. When a user joins the same audio-video group from multiple App terminals, the callback is triggered only once.
App user's last active exit from the audio-video group. When a user has multiple App terminals in the audio-video group, the callback is triggered when the last terminal exits.

Webhook Triggering Timing

After a user enters the audio-video group, the Offline event is triggered due to heartbeat timeout caused by network disconnection, and the Online event is triggered when the user goes online 20s after the timeout. If the user logs in with multiple devices and joins the same audio-video group concurrently, the Offline event will be triggered when all the devices go offline concurrently. The Online event will be triggered when any device goes back online (only one Online event will be triggered even if multiple devices go back online).

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

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.CallbackOnMemberStateChange.
contenttype
Fixed value: JSON.

Sample request

{
"CallbackCommand": "Group.CallbackOnMemberStateChange", // Webhook command
"GroupId": "@TGS#2J4SZEAEL", // Group ID
"EventType": "Offline", // Event type: Offline (disconnected); Online (reconnected)
//Event Cause: HeartbeatInterrupt (Heartbeat Interruption), HeartbeatRecover (Heartbeat Recovery), Join (First Entry into Group), Quit (Last Exit from Group)
"MemberList": [ // List of members who left the group
{
"Member_Account": "jared"
},
{
"Member_Account": "tommy"
}
]
}

Request fields

Field
Type
Description
CallbackCommand
String
Webhook command
GroupId
String
ID of the group that generates group messages
EventType
String
Event type: Offline (disconnected); Online (reconnected)
EventCause
String
Event cause: HeartbeatInterrupt (heartbeat interruption), HeartbeatRecover (heartbeat recovery), Join (first entry into group), Quit (last exit from group)
MemberList
Array
List of members triggering the event

Sample response

A response is returned after the app backend synchronizes the data.
{
"ActionStatus": "OK",
"ErrorInfo": "",
"ErrorCode": 0 // The value `0` indicates that the response 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 response result is ignored.
ErrorInfo
String
Yes
Error information

References