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
| Tcode | WE54 |
| Purpose | FMs for changing file names |
| Module | BC |
| Component | BC-MID |
| SAP Package | SED |
| Type | P |