UPC, Location & xref3
UPC / EAN can be defined on a product and used to search / filter Teapplix orders. It can also be placed on packing lists as barcodes.
Location can be used to search / filter Teapplix open orders. Also you can sort your orders by location so the shipping label come out in the same sequence as your warehouse.
xref3 is a user defined field that can show up on packing list, or used to search / filter Teapplix orders.