Here we would like to draw your attention to WE54 transaction code in SAP. As we know it is being used in the SAP BC-MID (Middleware in Basis) component which is coming under BC module (BASIS).WE54 is a transaction code used for FMs for changing file names in SAP.
It comes under the package SED.
Transaction WE54 technical data table
|Purpose||FMs for changing file names|