def morelikethis(self, index, doc_type, id, fields, **query_params):
        """
        Execute a "more like this" search query against one or more fields and get back search hits.
        """
        path = make_path(index, doc_type, id, '_mlt')
        query_params['mlt_fields'] = ','.join(fields)
        body = query_params["body"] if "body" in query_params else None
        return self._send_request('GET', path, body=body, params=query_params)
Execute a "more like this" search query against one or more fields and get back search hits.