class User { String? msg; int? code; Data? data; User({this.msg, this.code, this.data}); User.fromJson(Map json) { msg = json['msg']; code = json['code']; data = json['data'] != null ? new Data.fromJson(json['data']) : null; } Map toJson() { final Map data = new Map(); data['msg'] = this.msg; data['code'] = this.code; if (this.data != null) { data['data'] = this.data!.toJson(); } return data; } } class Data { String? phoneNumber; String? identificationCard; String? id; String? token; Data({this.phoneNumber, this.identificationCard, this.id, this.token}); Data.fromJson(Map json) { phoneNumber = json['phoneNumber']; identificationCard = json['identificationCard']; id = json['id']; token = json['token']; } Map toJson() { final Map data = new Map(); data['phoneNumber'] = this.phoneNumber; data['identificationCard'] = this.identificationCard; data['id'] = this.id; data['token'] = this.token; return data; } }