code: def get(self, key):
          
          return SyncMapItemContext(
              self._version,
              service_sid=self._solution['service_sid'],
              map_sid=self._solution['map_sid'],
              key=key,
          )
docs: Constructs a SyncMapItemContext
  
          :param key: The key
  
          :returns: twilio.rest.preview.sync.service.sync_map.sync_map_item.SyncMapItemContext
          :rtype: twilio.rest.preview.sync.service.sync_map.sync_map_item.SyncMapItemContext