ChatMessage constructor Null safety

ChatMessage(
  1. {required int id,
  2. required int roomId,
  3. required User user,
  4. required String message,
  5. required DateTime dateTime}
)

Implementation

ChatMessage({
  required this.id,
  required this.roomId,
  required this.user,
  required this.message,
  required this.dateTime,
});