Future<String> exampleForm() async {
  if (rq.method == RequestMethods.POST) {
    var loginForm = FormValidator(
      name: 'loginForm',
      rq: rq,
      fields: {
        'email': [
          FieldValidator.isEmailField(),
          FieldValidator.requiredField(),
          FieldValidator.fieldLength(min: 5, max: 255)
        ],
        'password': [
          (value) {
            return FieldValidateResult(
              success: value.toString().isPassword,
              error:
                  'Password is not valid, it most has [Number/Char(Upper+Lower)/?@#\$!%]',
            );
          },
          FieldValidator.requiredField(),
          FieldValidator.fieldLength(min: 8, max: 255)
        ],
      },
    );

    var result = await loginForm.validateAndForm();
    var loginResult = false;

    if (result.result) {
      var email = rq.get<String>('email', def: '');
      var password = rq.get<String>('password', def: '');
      if (email == 'example@uproid.com' && password == '@Test123') {
        loginResult = true;
      }
    }

    rq.addParams({
      'loginForm': result.form,
      'loginResult': loginResult,
    });
  }

  return renderTemplate('example/form');
}