onRequestToJoinReceivedFromGroup method Null safety

void onRequestToJoinReceivedFromGroup(
  1. String groupId,
  2. String? groupName,
  3. String applicant,
  4. String? reason
)

收到用户applicant申请加入id是groupId, 名称是groupName的群,原因是reason

Implementation

void onRequestToJoinReceivedFromGroup(
    String groupId, String? groupName, String applicant, String? reason);