Here we would like to draw your attention to OOBU transaction code in SAP. As we know it is being used in the SAP PA-OS (Organizational Structure in PA) component which is coming under HR (HCM) PA module (Personnel Management). OOBU is a transaction code used for Business Events Bookings in SAP.
It comes under the package for Organization and planning (application) (PP00). When we execute this transaction code, RHCUST01 is the normal standard SAP program that is being executed in background. Transaction code OOBU is included in the SAP component for SAP_HR.
Transaction OOBU technical data table
| Tcode | OOBU |
| Usage | Business Events Bookings |
| Module | PA |
| Sub Module | PA-OS-ST |
| SAP Package | PP00 |
| Program running | RHCUST01 |
| Component | SAP_HR |