Tracker::getLinkDomain

public function getLinkDomain()
{
	if ($this->linkDomain === null)
	{
		if (Integration\Bitrix24\Service::isCloud())
		{
			return '';
		}
		if ($this->siteId)
		{
			if ($this->siteData === null)
			{
				$this->siteData = SiteTable::getById($this->siteId)->fetch();
			}
			if ($this->siteData && $this->siteData['SERVER_NAME'])
			{
				return $this->siteData['SERVER_NAME'];
			}
		}
	}

	return $this->linkDomain;
}