code: def defaults(self):
          
          if self._defaults is None:
              self._defaults = DefaultsList(self._version, assistant_sid=self._solution['sid'], )
          return self._defaults
docs: Access the defaults
  
          :returns: twilio.rest.autopilot.v1.assistant.defaults.DefaultsList
          :rtype: twilio.rest.autopilot.v1.assistant.defaults.DefaultsList