CComponentAjax::CheckSession

function CheckSession()
{
	if ($this->componentID = CAjax::GetComponentID($this->componentName, $this->componentTemplate, $this->arParams['AJAX_OPTION_ADDITIONAL'] ?? null))
	{
		if ($current_session = CAjax::GetSession())
		{
			if ($this->componentID == $current_session)
			{
				$this->bAjaxSession = true;
				return true;
			}
			else
			{
				return false;
			}
		}
		return true;
	}
	return false;
}