import 'package:json_annotation/json_annotation.dart'; part 'sample.g.dart'; @JsonSerializable() class SampleModel { int id; String sampleName; String batchNum; int chickenId; String wingTagNum; DateTime sampleTime; String description; int sampleType; int sampleStatus; int createBy; String createByName; SampleModel({ required this.id, required this.sampleName, required this.batchNum, required this.chickenId, required this.wingTagNum, required this.sampleTime, required this.description, required this.sampleType, required this.sampleStatus, required this.createBy, required this.createByName, }); factory SampleModel.fromJson(Map json) => _$SampleModelFromJson(json); Map toJson() => _$SampleModelToJson(this); }