code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return ReservationInstance(
              self._version,
              payload,
              workspace_sid=self._solution['workspace_sid'],
              task_sid=self._solution['task_sid'],
              sid=self._solution['sid'],
          )
docs: Fetch a ReservationInstance
  
          :returns: Fetched ReservationInstance
          :rtype: twilio.rest.taskrouter.v1.workspace.task.reservation.ReservationInstance