protected function setOgTags()
    {
        if ($this->arResult['OG_TAGS']['TITLE'])
        {
            Asset::getInstance()->addString('<meta property="og:title" content="'.$this->arResult['OG_TAGS']['TITLE'].'" />', true);
        }

        if ($this->arResult['OG_TAGS']['DESCRIPTION'])
        {
            Asset::getInstance()->addString('<meta property="og:description" content="'.$this->arResult['OG_TAGS']['DESCRIPTION'].'" />', true);
        }

        if ($this->arResult['OG_TAGS']['URL'])
        {
            Asset::getInstance()->addString('<meta property="og:url" content="'.$this->arResult['OG_TAGS']['URL'].'" />', true);
        }

        if ($this->arResult['OG_TAGS']['IMAGE'])
        {
            Asset::getInstance()->addString('<meta property="og:image" content="'.$this->arResult['OG_TAGS']['IMAGE'].'" />', true);
        }
    }