This report exports all items in multple ISBN lists that you intend to take to an event and use your iZettle for. Run this report and print to file to get the .csv in the format that the iZettle site accepts. Your izettle app on your phone / Tablet will then be able to scan the barcode and find the product price. It will also know the stock level.
As with other batchline reports, you have to unzip this file and place it in the C:/Bertrams/Bertline 401/Reports/ directory on the server.