Метаданные для Титульной страницы ZOO - ZOO 2.х

$this->document->setTitle('Мой заголовок Title' );
$this->document->setMetadata('keywords', 'ключевики , через, запятую '  );
$this->document->setDescription('Описание моей титулки');

<param name="metatitle" type="text" size="10" default="" label="Title" description="Enter title" />
<param name="metakeys" type="text" size="10" default="" label="Keywords" description="Enter keywords" />
<param name="metadesc" type="text" size="10" default="" label="Description" description="Enter description" />
<param name="metarobots" type="text" size="10" default="index, follow" label="Robots" description="Enter robots" />

$document =& JFactory::getDocument();
// add metadata title
$title = '';
if ($this->params->get('config.metatitle'))
{
	$title = $this->params->get('config.metatitle');
	}
elseif ($this->application->getParams()->get('content.title'))
{
	$title = $this->application->getParams()->get('content.title');
	}
else {
	$title = $this->application->name;
	} 
$document->setTitle($title);

//add metadata keywords
if ($keywords = $this->params->get('config.metakeys')) $document->setMetadata('keywords', $keywords);

//add metadata description
if ($description = $this->params->get('config.metadesc')) $document->setDescription($description);

//add metadata robots
if ($robots = $this->params->get('config.metarobots')) $document->setMetadata('robots', $robots);

$this->app->document->setMetadata('author', $txt = "admin");
$this->app->document->setMetadata('description', $txt = "произвольное описание"); // description
$this->app->document->setMetadata('keywords', $txt = "ключевые через запятую"); // keywords