onRequestToJoinReceivedFromGroup property
final
      ~english Occurs when the group owner or administrator receives a group request from a user. ~end
~chinese 对端用户接收群组申请的回调。 ~end
Implementation
final void Function(
  String groupId,
  String? groupName,
  String applicant,
  String? reason,
)? onRequestToJoinReceivedFromGroup;