Some Shopify attribute values don't match what Amazon expects (e.g., your Shopify product uses Red but Amazon's listing schema requires Cherry Red). The Global Value Mapping tab lets you build named lists that translate Shopify values into Amazon-accepted values — applied automatically during product upload.
Color, Size Format, Material).When the app uploads or updates a product on Amazon, it scans your products' attributes against every list under Global Value Mapping. If a Shopify value matches an entry, the app substitutes the mapped Amazon value before sending the listing — so Amazon receives the term it actually accepts.
To apply a Global Value Mapping list at the Product Edit or Template level, open that attribute and tick the Apply global value mapping for this template checkbox, then save the attribute.
