For designating any tickets you want to have available to sell at check-in.
We recommend having at least one comp ticket available to sell during check-in as an easy way around problems with pre-purchased tickets and/or unexpected attendees.
To review tickets available to sell at check in:
Go to: Admin > Site Settings > Ticket Sale > Ticket Types
To sell a ticket at check-in:
Go to: Auction Night > Check-in > click on Sell a Ticket button