code: def sms(self, message, to=None, from_=None, action=None, method=None,
              status_callback=None, **kwargs):
          
          return self.nest(Sms(
              message,
              to=to,
              from_=from_,
              action=action,
              method=method,
              status_callback=status_callback,
              **kwargs
          ))
docs: Create a <Sms> element
  
          :param message: Message body
          :param to: Number to send message to
          :param from: Number to send message from
          :param action: Action URL
          :param method: Action URL method
          :param status_callback: Status callback URL
          :param kwargs: additional attributes
  
          :returns: <Sms> element