This table explains the data between eBayLINK and BigCommerce.
|eBay LINK Data||BigCommerce Data||Marketplace Data|
|SKU||This is the BigCommerce product ID - a number generated by BigCommerce when you create a product|
Click here to find how to find your Product ID in BigCommerce
|Retailer Reference||This is a unique value constructed by eBay Link from Bigcommerce data to provide a unique value for each product variant in case of multi variant products|
|MPN||This is the value of the MPN that has been entered into the optional Manufacturer Part Number field within a product in BigCommerce. If there is no data in the MPN field in BigCommerce eBay Link will use the SKU value from BigCommerce||MPN Field in Marketplace|
|UPC / EAN / ISBN||This can be entered into the optional Product UPC/EAN field within a product in BigCommerce||UPC field in Marketplace|