Does fmEcommerce Link (Shopify Edition) support Shopify Metafields?
We currently support the downloading and uploading of Metafields for Products and Product Variants, and downloading for Orders. This blog post has more information on working with Metafields. If you would like us to add support for Metafields elsewhere in the fmEcommerce Link solution please let us know.
Shopify have a 2 part Made with Metafields series which you can read here: