code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return SyncListItemInstance(
              self._version,
              payload,
              service_sid=self._solution['service_sid'],
              list_sid=self._solution['list_sid'],
              index=self._solution['index'],
          )
docs: Fetch a SyncListItemInstance
  
          :returns: Fetched SyncListItemInstance
          :rtype: twilio.rest.preview.sync.service.sync_list.sync_list_item.SyncListItemInstance