code: def updateByQuery(self, using=None):
          
          return UpdateByQuery(
              using=using or self._using,
              index=self._name,
          )
docs: Return a :class:`~elasticsearch_dsl.UpdateByQuery` object searching over the index
          (or all the indices belonging to this template) and updating Documents that match
          the search criteria.
  
          For more information, see here:
          https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update-by-query.html