code: def create(self, phone_number, friendly_name=values.unset,
                 call_delay=values.unset, extension=values.unset,
                 status_callback=values.unset, status_callback_method=values.unset):
          
          data = values.of({
              'PhoneNumber': phone_number,
              'FriendlyName': friendly_name,
              'CallDelay': call_delay,
              'Extension': extension,
              'StatusCallback': status_callback,
              'StatusCallbackMethod': status_callback_method,
          })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return ValidationRequestInstance(self._version, payload, account_sid=self._solution['account_sid'], )
docs: Create a new ValidationRequestInstance
  
          :param unicode phone_number: The phone number to verify in E.164 format
          :param unicode friendly_name: A string to describe the resource
          :param unicode call_delay: The number of seconds to delay before initiating the verification call
          :param unicode extension: The digits to dial after connecting the verification call
          :param unicode status_callback: The URL we should call to send status information to your application
          :param unicode status_callback_method: The HTTP method we should use to call status_callback
  
          :returns: Newly created ValidationRequestInstance
          :rtype: twilio.rest.api.v2010.account.validation_request.ValidationRequestInstance