Here we would like to draw your attention to SU0 transaction code in SAP. As we know it is being used in the SAP BC-SEC (Security in Basis) component which is coming under BC module (BASIS).SU0 is a transaction code used for Maintain Own Fixed User Values in SAP.
It comes under the package SUSR.
Transaction SU0 technical data table
| Tcode | SU0 |
| Purpose | Maintain Own Fixed User Values |
| Module | BC |
| Component | BC-SEC |
| SAP Package | SUSR |
| Type | V |