Quote Originally Posted by mc12345678 View Post
That looks correct to support import by products_model. Might suggest changing the primary_key to products_id, exporting then updating the products_family field for the items with the appropriate products_id. Note, that if you are wanting to add new product, I recommend the use of new_blank as the promary key. Then new product that do not have a products_id will be given one.
I installed this plug-in, you can try, see where the problem is, I want to through the batch scale, batch import keywords.
I added custom fields and the content could not be imported

https://www.zen-cart.com/downloads.php?do=file&id=1357