This document provides instructions for creating a CalendarSnack to add an RSVP link to a MailChimp email campaign. It outlines 7 steps: 1) Create a CalendarSnack by sending details to create@invitethis.com from your calendar client. 2) You will receive an email with instructions and a hyperlink to the CalendarSnack. 3) Copy the code for the MailChimp RSVP from the CalendarSnack. 4) Paste the code into the call-to-action button graphic in MailChimp. 5) Recipients who click the button will be routed to a landing page where the calendar invite is sent. 6) The calendar invite will appear in email inboxes and calendars