code: def QueryItemsChangeFeed(self, collection_link, options=None):
          
  
          partition_key_range_id = None
          if options is not None and 'partitionKeyRangeId' in options:
              partition_key_range_id = options['partitionKeyRangeId']
  
          return self._QueryChangeFeed(collection_link, "Documents" , options, partition_key_range_id)
docs: Queries documents change feed in a collection.
  
          :param str collection_link:
              The link to the document collection.
          :param dict options:
              The request options for the request.
              options may also specify partition key range id.
  
          :return:
              Query Iterable of Documents.
          :rtype:
              query_iterable.QueryIterable