Use these steps to create a secret event. Secret events don't show on your main scheduling page. Only invitees with the event-specific link can book the event with you.
On your Home page, select the event that you want to make secret.
Expand When can people book this event?
At the bottom of the section, select Additional rules for your availability.
Scroll down to Secret event, and select Make this a secret event.
Select Save & Close.
You can tell which event types are secret by the hidden eye icon: