Callback Before Inviting New Members to Join Group
Functional Description
Before inviting new members to join a group, the business server can reject this request, or modify and intervene in the request.
Precautions
- To enable the callback, you must configure the callback URL and turn on the switch corresponding to this callback protocol. See the Callback Description document for configuration methods.
- The callback direction is an HTTP/HTTPS POST request initiated by IMServer to the business server.
- The business server must respond to this request within the timeout period.
Scenarios That May Trigger This Callback
- Before users perform corresponding operations through the client or APP administrators through REST API.
Timing of Callback
- Before inviting new members to join a group.
Interface Description
Request URL Example
Here CallbackCommand is: callbackBeforeInviteJoinGroupCommand
{WEBHOOK_ADDRESS}/callbackBeforeInviteJoinGroupCommand?contenttype=json
Request Package Example
{
"callbackCommand": "callbackBeforeInviteJoinGroupCommand",
"operationID": "1646445464564",
"groupID": "12345",
"reason": "friend",
"invitedUserIDs": "[\"user1\",\"user2\"]"
}
Request Package Field Description
| Object | Type | Description |
|---|---|---|
| callbackCommand | string | Callback command, here it is the callback before inviting friends to join a group. |
| operationID | string | operationID used for global link tracking |
| groupID | string | Unique identifier of the group. |
| reason | string | Invitation reason |
| invitedUserIDs | string | Array of User IDs invited to join the group in string format. |
Response Package Example
Allow Creation
Allow users to join the group.
{
"actionCode": 0,
"errCode": 0,
"errMsg": "",
"errDlt": "",
"nextCode": 0,
"invitedUserIDs": "[\"user1\",\"user2\"]"
}
Response Package Field Description
| Field | Value | Description |
|---|---|---|
| actionCode | 0 | Indicates whether the business system callback was executed correctly. 0 means the operation was successful. |
| errCode | 5001 | Custom error code, ranges from 5000-9999. Set when actionCode is not 0; set when nextCode is 1. |
| errMsg | "An error message" | Simple error message corresponding to the custom error code. |
| errDlt | "Detailed error information" | Detailed error information corresponding to the custom error code. |
| nextCode | 1 | Next execution instruction, 1 means refusing to continue execution, set when actionCode is 0. |
| invitedUserIDs | string | Array of User IDs invited to join the group in string format. |