To add the link to your Exceed Max. Message:
  1. Go into > onMessage > Approval > Event Registration
  2. Click Edit for the Event Registration form
  3. In the Exceed Max. Message text box put:
    • <a href="URL">click here</a> The URL should be the public page you wish to redirect people to.
    • You could put something like "We're sorry, this event is full! Please <a href="URL">click here</a> to select another option​.
  4. Select Save when you are done