public function urlServeZipped($objects, $filename = 'download.zip')
    {
        $_data    = ['where_in' => [['o.id', $objects]]];
        $_objects = $this->getObjects(null, null, $_data);

        $_ids      = [];
        $_ids_hash = [];
        foreach ($_objects as $obj) {
            $_ids[]      = $obj->id;
            $_ids_hash[] = $obj->id . $obj->bucket->id;
        }

        $_ids      = implode('-', $_ids);
        $_ids_hash = implode('-', $_ids_hash);
        $_hash     = md5(APP_PRIVATE_KEY . $_ids . $_ids_hash . $filename);

        return $this->callDriver('urlServeZipped', [$_ids, $_hash, $filename]);
    }