Here we would like to draw your attention to OOEF 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). OOEF is a transaction code used for Firmly Book/Cancel 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 OOEF is included in the SAP component for SAP_HR.
Transaction OOEF technical data table
| Tcode | OOEF |
| Usage | Firmly Book/Cancel |
| Module | PA |
| Sub Module | PA-OS-ST |
| SAP Package | PP00 |
| Program running | RHCUST01 |
| Component | SAP_HR |