You can monitor RSVP's, ticket sales and purchases for your events. This doc explains how to access full reporting for your event.
Follow these steps to access your event reporting
1. Log on to MemberPlanet
2. Click Events in navigation bar on the left side of the screen
3. Click on the event you would like to see reporting for
4. You will be taken to the admin page. From this page, look on the right hand side, where it says 'View all RSVPs'
5. View all responses in the table.