- Go to Communication > Campaigns or the Automatic confirmation email
- Place the cursor where you want to add button
- In the editor, go to Personalize > Buttons and choose the desired button
- The button is displayed as a code (for example #register_button|Register#)
- The text after ‘|’ is the text that will be displayed on the button – which can be customized (for example #register_button|Sign up!#)