Here we would like to draw your attention to OO_HRALXCUSTINT 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). OO_HRALXCUSTINT is a transaction code used for Activate Integration in SAP.
It comes under the package for HR-CA: Cross-Application HR Functions (PPCA). When we execute this transaction code, RHCUST01 is the normal standard SAP program that is being executed in background. Transaction code OO_HRALXCUSTINT is included in the SAP component for SAP_HR.
Transaction OO_HRALXCUSTINT technical data table