Here we would like to draw your attention to WPUS transaction code in SAP. As we know it is being used in the SAP SD-POS (POS Interface in SD) component which is coming under SD module (Sales & Distribution).WPUS is a transaction code used for Simulation: Inbound Processing in SAP.
It comes under the package WPOS.When we execute this transaction code, SAPMWPUK is the normal standard SAP program that is being executed in background.
Transaction WPUS technical data table
|Purpose||Simulation: Inbound Processing|