Вопрос по плагину Easy Open Graph - Модули и плагины

$article_title = JTable::getInstance("content");
$article_title->load(JRequest::getInt("id"));
$easyopengraphTitle = $article_title->title;
$document->addCustomTag('<meta property="og:title" content="'.$easyopengraphTitle.'"/>');

$og_title = $this->product->customtitle;
$og_price_amount = $this->product->prices['salesPrice'];
$og_url = JURI::current();
$og_desc = $this->product->metadesc;
$og_image =  JRoute::_(JURI::base().$this->product->images[0]->file_url);
$app =& JFactory::getApplication();
$doc = JFactory::getDocument();
$doc->addCustomTag('<meta property="og:type" content="product"/>');
$doc->addCustomTag('<meta property="og:title" content="'.$og_title.'"/>');
$doc->addCustomTag('<meta property="og:price:amount" content="'.$og_price_amount.'"/>');
$doc->addCustomTag('<meta property="og:price:currency" content="тенге ₸"/>');
$doc->addCustomTag('<meta property="og:site_name" content="site_name"/>');
$doc->addCustomTag('<meta property="og:url" content="'.$og_url.'"/>');
$doc->addCustomTag('<meta property="og:description" content="'.$og_desc.'"/>');
$doc->addCustomTag('<meta property="og:image" content="'.$og_image.'"/>');

$doc->addCustomTag('<meta property="og:image" content="'.$og_image.'"/>');

$og_image =  JRoute::_(JURI::base().$this->product->images[0]->file_url);

<?php
echo '<pre>';
 print_r($this);
echo '</pre>';
?>

$doc = JFactory::getDocument();
$app = JFactory::getApplication(); 

$og_title = $this->category->title;
$og_url = JURI::current();
$og_desc = $this->metadesc;
$og_image =  JRoute::_($this->category->getParams()->get('image'));

$doc->addCustomTag('<meta property="og:type" content="category"/>');
$doc->addCustomTag('<meta property="og:title" content="'.$og_title.'"/>');
$doc->addCustomTag('<meta property="og:site_name" content="site_name"/>');
$doc->addCustomTag('<meta property="og:url" content="'.$og_url.'"/>');
$doc->addCustomTag('<meta property="og:description" content="'.$og_desc.'"/>');
$doc->addCustomTag('<meta property="og:image" content="'.$og_image.'"/>');

<?php
echo '<pre>';
 print_r($this);
echo '</pre>';
?>

$og_image =  JRoute::_($images->image_fulltext);

$og_image =  JRoute::_($images->image_intro);

$og_image = $this->item->introtext;

<?php
echo '<pre>';
 print_r($this->item);
echo '</pre>';
?>

.......
[publish_down] => 0000-00-00 00:00:00
           [images] => {"image_intro":"\/images\/articles\/20170830\/0fc50a030cdd26b9f76c5ca4e2fdd403.jpg"}
            [urls] => {}
            [attribs] => {}
            [version] => 1
........