getRoomParticipants method Null safety

Future<VideoRoomListParticipantsResponse?> getRoomParticipants(
  1. String roomId
)

get list of participants in a existing video room

Implementation

Future<VideoRoomListParticipantsResponse?> getRoomParticipants(String roomId) async {
  var payload = {"request": "listparticipants", "room": roomId};
  Map data = await this.send(data: payload);
  _handleRoomIdTypeDifference(payload);
  return _getPluginDataFromPayload<VideoRoomListParticipantsResponse>(data, VideoRoomListParticipantsResponse.fromJson);
}