public function createSymlink(Folder $parent, $name, $url)
 {
     if (trim($name) == "") {
         throw new e\CreationErrorException(S_SPAN . c\M::EMPTY_SYMLINK_NAME . E_SPAN);
     }
     if (trim($url) == "") {
         throw new e\CreationErrorException(S_SPAN . c\M::EMPTY_URL . E_SPAN);
     }
     $asset = AssetTemplate::getSymlink();
     $asset->symlink->name = $name;
     $asset->symlink->parentFolderPath = $parent->getPath();
     $asset->symlink->siteName = $parent->getSiteName();
     $asset->symlink->linkURL = $url;
     return $this->createAsset($asset, Symlink::TYPE, $this->getPath($parent, $name), $parent->getSiteName());
 }