Turn on the RSVP
If you want attendees to RSVP to the event, toggle Request RSVP. This requests users to RSVP the number of attendees at their party.
Collect Attendee Names
If you want to get the list of attendees' names at the party, toggle on "Request attendee names."
Set How Many People Can Attend the Event
The maximum number of attendees defines the maximum number of
RSVP "Yes" attendees for the event listing. Note that each user can add up to 10 people to the party.
Set the Date When RSVP Closes
The "Allow RSVP responses up to" setting defines when the RSVP feature closes for the Event. Set the date.