public function deleteMulti(array $arr_entities)
    {

        // Build the base request
        $obj_request = $this->buildCommitRequest();

        // Create JSON keys for each delete mutation
        foreach($arr_entities as $obj_gds_entity) {
            $obj_rest_key = (object)['path' => $this->createMapper()->buildKeyPath($obj_gds_entity)];
            $this->applyPartition($obj_rest_key);
            $obj_request->mutations[] = (object)['delete' => $obj_rest_key];
        }

        // Run
        $this->executePostRequest('commit', $obj_request);

        return true; // Still not sure about this...
    }