Hello,
I'm considering using this plugin for an upcoming project, and I'm curious if it's possible to update the inventory quantity of a product by looking up the UPC field? I know the SKU is typically the unique identifier necessary for product updates, but will this allow to perform lookups by UPC? My goal is to be able to upload a CSV file with UPC codes in one column, and an inventory quantity in another, and update the inventory quantities of those products with the corresponding UPC values. The format of the csv does not matter to me as long as those two fields are the only fields required.
