There may be cases where your supplier uses a different SKU or barcode from what you use in your Shopify store.  Using Shopify Variant Metafields is a good way to track these. With this EZ Inventory update, you now have the option to map product variants in your Shopify store to products in your suppliers' feeds based on a custom variant metafield's value.

In the Data Feed settings, you can find this option under Field Mapping > Shopify Variant Field.  Select the …