code: def entities(self):
          
          if self._entities is None:
              self._entities = EntityList(self._version, service_sid=self._solution['sid'], )
          return self._entities
docs: Access the entities
  
          :returns: twilio.rest.authy.v1.service.entity.EntityList
          :rtype: twilio.rest.authy.v1.service.entity.EntityList