code: def media(self):
          
          if self._media is None:
              self._media = FaxMediaList(self._version, fax_sid=self._solution['sid'], )
          return self._media
docs: Access the media
  
          :returns: twilio.rest.fax.v1.fax.fax_media.FaxMediaList
          :rtype: twilio.rest.fax.v1.fax.fax_media.FaxMediaList