Log in to your Cal ID account and go to the Event Types tab.
2
Edit your event
Find the event you want to change and click Edit.
3
Open Advanced → Booking questions
Click the Advanced tab in the top navigation bar, then scroll to the Booking questions section where you see fields like “Email address” and “Your name”.
4
Find the Add guests question
Look for the Add guests question at the bottom of the list.
5
Toggle it off
Click the switch so it is no longer active.
Locking the meeting to one person
6
Save
Click Save at the top right of the page.
Even if you disable this on your booking page, the booker might still be able to invite others manually using their own personal calendar (like Google or Outlook) after the meeting is scheduled. This setting specifically removes the option from the initial booking process.