import 'package:freezed_annotation/freezed_annotation.dart'; part 'chat_message_model.freezed.dart'; part 'chat_message_model.g.dart'; @freezed class ChatMessageModel with _$ChatMessageModel { const factory ChatMessageModel({ required int id, required String data, @JsonKey(name: 'media_data') required List? mediaData, @JsonKey(name: 'author_id') required int authorId, @JsonKey(name: 'updated_at') required String updatedAt, }) = _ChatMessageModel; factory ChatMessageModel.fromJson(Map json) => _$ChatMessageModelFromJson(json); }