class SignupModel { final String email; final String name; final String contactNumber; SignupModel({ required this.email, required this.name, required this.contactNumber, }); // Convert JSON to SignupModel factory SignupModel.fromJson(Map json) { return SignupModel( email: json['email'] ?? '', name: json['name'] ?? '', contactNumber: json['mobile'] ?? '', ); } // Convert SignupModel to JSON Map toJson() { return {'email': email, 'name': name, 'mobile': contactNumber}; } }