Open this on a laptop and point the scanner phone at it. Import sample-guests.csv first to try the guest-list check.
Ticket 001001 1001Ticket 001002 1002Ticket 001003 1003Ticket 001004 (has an email in the sample list) 1004Ticket 001005 1005Ticket 009999: refused once the sample list is imported 9999Not a raffle QR: always refused https://example.com/menu