System generated emails can be found in Project Configuration > Email > Templates.
This is a suggested template in html format, which can be previewed after entering into the editor window. To format the header / footer and colours you will need to customise the email design in the Design Tab.
Registration complete template for Attendance Tracking Element only (copy and paste into the editor window)
<p>Thanks for registering!</p>
<p>For this event you can easily track your attendance. There’s no need to sign in at each session, just have your event ticket QR code scanned and your participation will be recorded.</p>
<p></p><h2>Track your attendance</h2><p></p>
<p>Don’t forget to bring your event ticket QR code and have it scanned at participating sessions to track your attendance.</p>
<p>If you have any questions or issues, please contact your event organiser.</p></body>