docs: def _save_percolator(self):
          """saves the query field as an elasticsearch percolator
          """
          index = Content.search_objects.mapping.index
          query_filter = self.get_content().to_dict()
  
          q = {}
  
          if "query" in query_filter:
              q = {"query": query_filter.get("query", {})}
          else:
              return
  
          es.index(
              index=index,
              doc_type=".percolator",
              body=q,
              id=self.es_id
          )