Last minute addition? We got you covered.
To add an attendee, simply go to the People section in your menu. Note: "People" may be named differently, depending on your event's configuration.
Step 1. Tap the plus sign in the upper-right ( + )
Step 2. Select "Create Attendee" from the options
Step 3. Fill in the new attendees' info.
Step 4. There's no step 4, you're done!