If it has a barcode the cast member can just scan it from your phone (at the restaurant or shop). You can also type in the numbers to use for mobile order. If it is a large amount you may consider saving the number in a notes app on your phone so you can copy and paste it each time you do a mobile order.We purchased a gift card online so it’s in the form of an email. Do most people use the email or download it to a magic band.