onRequestToJoinDeclinedFromGroup method Null safety
Occurs when a group request is declined.
Param groupId The group ID.
Param groupName The group name.
Param decliner The ID of the user that declines the group request.
Param reason The reason for declining.
Implementation
void onRequestToJoinDeclinedFromGroup(
String groupId,
String? groupName,
String decliner,
String? reason,
);