SAP Function Module search on FI_PO
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FI_POSI_PAY_FILE_CLOSE - Close Positive Pay Payment Medium File
FI_POSI_PAY_FILE_NEW - Create a new payment medium file for Postive Pay
FI_POSI_PAY_FILE_OPEN - Open Positive Pay Payment Medium File
FI_POSI_PAY_FILE_WRITE - Write into Positive Pay Payment Medium File
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