Here we would like to draw your attention to OBMSG transaction code in SAP. As we know it is being used in the SAP CA-BK (Bank in CA) component which is coming under CA module (Cross Application).OBMSG is a transaction code used for Configurable Messages in SAP.

It comes under the package BF.
Transaction OBMSG technical data table
| Tcode | OBMSG |
| Purpose | Configurable Messages |
| Module | CA |
| Component | CA-BK |
| SAP Package | BF |
| Type | P |