Here we would like to draw your attention to OVCS 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).OVCS is a transaction code used for C SD Tab. TVKK Activity Types in SAP.
It comes under the package VA0C.
Transaction OVCS technical data table
|Purpose||C SD Tab. TVKK Activity Types|