SAP Function Module search on PRS_U
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PRS_UPDATE_COPYOVER - Updates a Copyover line modified on VAL screen
PRS_UPD_ALV_DEL - Update ALV if delete a row
PRS_UPD_ALV_INS - Update ALV table if insert a row
PRS_UPD_ALV_MOD - Update ALV if modified row(s)
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