In PO attachment Predefined text has to be automatically populated based on the type / category

Summary:

We need the PO attachment text to be populated based on the category / type . We have predefined text against each category once we choose the text as type /To Supplier as category the file name or URL has to be populated accordingly.

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

Fusion procurement

Code Snippet (add any code snippets that support your topic, if applicable):