This is pretty much a demo. I would imagine if PizzaExpress works with us or create their own passes, the user doesn't have to copy/paste the coupon code. The u

This is pretty much a demo. I would imagine if PizzaExpress works with us or create their own passes, the user doesn't have to copy/paste the coupon code. The user can simply download it from an url. On a side note, the waitress did check the coupon's content and expiration date. So it's better to use a real coupon.