How to create an URL to download file attachment in a Invoice?

Summary:

we want to report the invoice in FDI (Fusion Data Intelligence) and users want to see the file attachments of an Invoice and download them from FDI itself, how can we get the URLs of the file attachments? users don't want to navigate to UCM server, they just want to directly download the file to their machine, just like in fusion invoices page.

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Version (include the version you are using, if applicable):

Oracle Cloud Fusion

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