Keep track of event attendees by checking them in as they arrive. Running an event? Use check-in to automatically register them and trigger your automated resources Click Marketing → Events and click your event Make a note of the PIN: and click Open Check-in Mode: When the Event Check-in page opens in the browser, enter the 4-digit-pin code and click Enter: Check-in mode opens. Use the Search bar to find the contact name Click Check in for contacts attending the event. Contact not on the guest list? Click Add contact and enter their name, email and company. They'll be added to your Upsales database and checked in.