class AuthenticationData { final int? authenticationCode; final String? authenticationName; final String? miId; final int? status; AuthenticationData({ this.authenticationCode, this.authenticationName, this.miId, this.status, }); factory AuthenticationData.fromJson(Map json) { return AuthenticationData( authenticationCode: json['authenticationCode'] as int?, authenticationName: json['authenticationName'] as String?, miId: json['miId'] as String?, status: json['status'] as int?, ); } Map toJson() { return { 'authenticationCode': authenticationCode, 'authenticationName': authenticationName, 'miId': miId, 'status': status, }; } }