add Group Managers
public abstract void addGroupManagers(String groupId, List<String> userIds, IRongCoreCallback.OperationCallback callback)
Add Group Administrators
Note: Only the group owner can add group administrators. A group can have up to 10 administrators. The group owner cannot be set as an administrator.
Parameters
group Id
The group ID.
user Ids
The list of administrator user IDs. Note: The user IDs must be members of the group. Up to 10 administrators can be added at once.
callback
The result is returned through this callback after the operation is completed.