public function GetStepURL($bDisableAccessCheck = true, $bForcePortalLink = false, $aAdditionalParameter = array())
    {
        $sOrderPage = '';
        if ($bDisableAccessCheck || $this->AllowAccessToStep()) {
            if ($bForcePortalLink) {
                $sOrderPage = $this->getOrderStepPageService()->getLinkToOrderStepPageAbsolute($this, $aAdditionalParameter);
            } else {
                $sOrderPage = $this->getOrderStepPageService()->getLinkToOrderStepPageRelative($this, $aAdditionalParameter);
            }
        }

        return $sOrderPage;
    }