Here we would like to draw your attention to PZ21 transaction code in SAP. As we know it is being used in the SAP PA-RC (Recruitment in PA) component which is coming under HR (HCM) PA module (Personnel Management). PZ21 is a transaction code used for Employment Opportunities in SAP.
It comes under the package for HR-PA Recruitment (PAPL). When we execute this transaction code, SAPMPW12 is the normal standard SAP program that is being executed in background. Transaction code PZ21 is included in the SAP component for SAP_HR.
Transaction PZ21 technical data table