Here we would like to draw your attention to OOKP transaction code in SAP. As we know it is being used in the SAP PA-CM (Compensation Management in PA) component which is coming under HR (HCM) PA module (Personnel Management). OOKP is a transaction code used for Cost Planning in SAP.
It comes under the package for Personnel Cost Planning – Customizing (PP7C). When we execute this transaction code, RHCUST01 is the normal standard SAP program that is being executed in background. Transaction code OOKP is included in the SAP component for SAP_HR.
Transaction OOKP technical data table