toJson method Null safety

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final map = <String, dynamic>{};
  map['room'] = _room;
  map['description'] = _description;
  map['pin_required'] = _pinRequired;
  map['num_participants'] = _numParticipants;
  map['history'] = _history;
  return map;
}