Here we would like to draw your attention to VPWL transaction code in SAP. As we know it is being used in the SAP SD-SLS (Sales in SD) component which is coming under SD module (Sales & Distribution).VPWL is a transaction code used for Portal Target Administration in SAP.
It comes under the package ERP_SALES_PORTAL.
Transaction VPWL technical data table
|Purpose||Portal Target Administration|