class UserModel { String name = ""; int userId = 0; UserModel({required this.name, required this.userId}); UserModel.fromJson(Map<String, dynamic> json) { name = json['name']; userId = json['userId']; } Map<String, dynamic> toJson() { final Map<String, dynamic> data = <String, dynamic>{}; data['name'] = name; data['userId'] = userId; return data; } }