You'll get a QR code for the door. Guests show up in the room only while they're checked in.
Shown on guests' phones, the big screen and the booth app. Wave becomes a small "powered by".
Rule of thumb: about 2 per expected guest.
Asked when guests make their name tag. Show answers on name tags, keep them just for you, or turn them into game squares.
When the event ends, everyone disappears from the room automatically.