If you record a supplier's code for a product, it appears in the Supplier Product Code field on your Purchase Order lines. You can then add it to your Purchase Order template so suppliers see their own codes. Classic and Formal templates can't be edited, so you'll need to create an editable copy first.
Add a supplier product code to a product
Open the product record.
Click the Purchase tab, then click the Suppliers tab.
In the Supplier Code field, find and select the supplier.
In the Supplier Product Code field, enter the supplier's code for the product.
Click Add, then click Save.

đ¤Tip: If the supplier is already listed, click the Supplier Product Code field in the supplier list to add or update the code.
Show the supplier code on your template
From the main menu, click Settings, then click Doc Designer.
Click Purchase Orders.
In the Document tab, use the Template Name drop-down menu to select the template you want to edit.
Click the Purchase Order Lines Grid component in the template layout.
Click the Component tab, then select Supplier Code in the Headers list.
Select the Visible checkbox.
Click Save Now, then click Publish.

đ¤Tip: If the Supplier Code isn't visible on the Purchase Order in Unleashed, click Show Hidden Columns in the Purchase Order toolbar.
