CControllerServerRequestTo::Send

public function Send($url = "", $page = "/bitrix/admin/main_controller.php")
{
	$event = new BitrixMainEvent("controller", "OnBeforeControllerServerRequestSend", array($this));
	$event->send();

	$this->Sign();
	$result = parent::Send($this->url, $page);
	if ($result === false)
		return false;

	$oResponse = new CControllerServerResponseFrom($result);
	return $oResponse;
}