Sometimes you may want users of your website to be able to RSVP and indicate if they plan on attending an event.

Event Rocket adds a simple RSVP system to The Events Calendar to facilitate just this and it can be enabled on a per event basis, by finding the new RSVP section within the event editor:

Right now you can choose to let anybody RSVP or you can restrict things to logged in users only (recommended). When users view the event, they will then see an extra form:

It’s a very simple system, but one which will hopefully meet a number of use cases.