Currently, custom RSVP headers are only available on desktop/laptop computer or mobile web.
1. Login to your Evite account on a mobile web browser.
2. Tap on your name at the top right corner of your homepage.
3. Select "My Events".
4. Tap on the "More" button under your invitation.
5. Select "Edit Details".
6. Scroll to the bottom of the page.
7. Tap on "Event Options".
8. Tap on "RSVP Style".
9. Tap on "Update" on the top right corner of the page to save.
