how to create a custom attribute to be use in the PO Approval Process

Summary: We need a custom attribute at the PO. The attribute should bring the Supplier Product and Services Categories.

During the PO Approval process, system should validate the PO category and the Supplier Product and Services.

The idea is to validate if the category at the PO Line is part of the Product and Services provided by the supplier selected on the PO.

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25D

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