class SignUpModel { final String email; final String password; final String firstName; final String lastName; SignUpModel( {required this.email, required this.password, required this.firstName, required this.lastName}); factory SignUpModel.fromJson(Map json) { return SignUpModel( email: json['email'], password: json['password'], firstName: json['firstName'], lastName: json['lastName']); } Map toJson() { return { 'email': email, 'password': password, 'firstName': firstName, 'lastName': lastName, }; } }