Our product offering doesn't differ for BigCommerce or BigCommerce Enterprise. Both the end-user implementation and the app is the same.
tags1field is populated using the search-keywords field of the associated Bigcommerce product.
tags2field is populated by using the Custom Fields of the associated Bigcommerce product. The key and value are concatenated using a colon (":") as a delimiter. For example, if you had a custom field called "Colour" with the value "Red" - the associated
tags2field is reserved for future use and is always empty.