Step 1: Setup > Event Settings > Email Confirmations & Reminders
In your event's left navigation menu, locate Setup and then select Event Settings. From there, select Email Confirmations & Reminders.
Step 2: Toggle the confirmation and QR code buttons on/off depending on what you want to achieve
If toggled on, the confirmation code will show on the confirmation screen and in the confirmation email sent after a guest registers for the event.
If toggled off, the confirmation code will not show in the confirmation screen and in the confirmation email.
If toggled on, the QR code will show only in the confirmation email sent after a guest registers for the event.
If toggled off, the QR code will not show in the confirmation email.
Step 3: Save the changes.
Feel free to submit a test registration to make sure everything is working as you want it to.