How update attachment category as XML_INVOICE before running the Generate and transfer XML program

Summary:

We have introduced XML_INVOICE as attachment category in AR Invoice, after running the transaction print program Invoice PDF attachment save as a Printed Transaction copy , we have to update this category as XML_INVOICE before running the Generate and transfer XML Transactions before sending to collaboration message . We need someway to automate the attachment category Printed Transaction copy to XML_INVOICE , user don't want to update this manually .

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