Here we would like to draw your attention to MSR_SFAC 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).MSR_SFAC is a transaction code used for Field Selection MSR in SAP.
It comes under the package VA.
Transaction MSR_SFAC technical data table
|Purpose||Field Selection MSR|