Open your Event Settings, and click on the RSVPs tab. Then tap on "Plus ones" and toggle on "Require names."Related ArticlesHow can I set a deadline for my guests to RSVP by?How do I modify the types of RSVPs that are allowed?Can I download the names of my guests?How do I check if my +1 is on an event I RSVP'd to?How do I change my name?