Here we would like to draw your attention to BF21 transaction code in SAP. As we know it is being used in the SAP CA-GTF (General Application Functions in CA) component which is coming under CA module (Cross Application).BF21 is a transaction code used for SAP Application Products in SAP.
It comes under the package BBTE.
Transaction BF21 technical data table
| Tcode | BF21 |
| Purpose | SAP Application Products |
| Module | CA |
| Component | CA-GTF |
| SAP Package | BBTE |
| Type | P |