SAP Function Module search on WPP
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WPPGRHIER_ALL_TYPES_ARRAY_READ - Mass Access: WRF_WPPGRHIER Entries for All AH Nodes with Validity Start
WPPGRHIER_HIERID_CHECK - Check Whether PPG Groups Are Assigned to Hier. ID in Table WRF_WPPGRHIER
WPPGRHIER_POSTING - Insert, Change, and Deletion of Entries in Table WRF_WPPGRHIER
WPPGRHIER_SINGLE_READ - Single Record Access to Table WRF_WPPGRHIER with Validity Start Date
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