Here we would like to draw your attention to OOBA 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). OOBA is a transaction code used for Define Reservation Type in SAP.
It comes under the package for Organization and planning (application) (PP00). When we execute this transaction code, is the normal standard SAP program that is being executed in background. Transaction code OOBA is included in the SAP component for SAP_HR.
Transaction OOBA technical data table
| Tcode | OOBA |
| Usage | Define Reservation Type |
| Module | PA |
| Sub Module | PA-OS-ST |
| SAP Package | PP00 |
| Program running | |
| Component | SAP_HR |