SAP Function Module search on OIA_U
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OIA_UPDATE_EXG_ITEM_MM - Update exchange item table - purchase OIA03
OIA_UPDATE_EXG_ITEM_SD - Update exchange item table - sales OIA02
OIA_UPDATE_EXG_MOVEMENTS - Update exchange movements file with netting clearing number
OIA_UPDATE_EXG_ST_PRINT_REQ - Create/change Exchange Statement Print Requests
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