Here we would like to draw your attention to SCMSPL transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SCMSPL is a transaction code used for Additional Locations for CS Alias in SAP.
It comes under the package SCMS.
Transaction SCMSPL technical data table
|Purpose||Additional Locations for CS Alias|