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Function Module for populating document sub item 'text ' field in ISU

Hi Gurus

A document number is assigned to all payments.

A payment may be split into several line items in ISU according to what it is clearing.

Messages ( Text field , technical name OPTXT) are posted against payments in ISU where payments have been dishonoured – or for any payments which have been reversed or cancelled by payment agency. This message transfers across to CRM against the payment automatically so easily visible.

However these messages which are posted against a payment  in ISU does not get copied and pasted against all the separate line items of the particular payment document number.

Could someone please assist us in finding a solution for this.



Former Member
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