Here's how:

1. Download the app from ITunes or Google Playstore.

2. On the 'Me' tab, click on 'Switch to a team.' and select your Society.

3. Head over to the 'Product' tab and tap the 'Guest List' button of the event. 

4. Search for the attendee that has arrived for check-in and simply click the 'Check In' button to check them in!

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