Here we would like to draw your attention to VOV6 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).VOV6 is a transaction code used for Maintain Schedule Line Categories in SAP.
It comes under the package VA0C.
Transaction VOV6 technical data table
|Purpose||Maintain Schedule Line Categories|