Leave an event in Apple Invites
With Apple Invites, you can RSVP to events that people share with you. If you want to remove yourself from the guest list, you can leave the event.
Note: If you’re the host of the event, you can cancel or delete it instead.
Leave an event in the app
Go to the Apple Invites app
on your iPhone.
Tap an event, then tap Not Going or Maybe.
Tap Send Reply.
Leave an event on iCloud.com
Select the link that the host sent you to open icloud.com/invites, then do one of the following:
If you have an Apple Account: Tap View Invitation, then sign in to your Apple Account. Choose Not Going or Maybe, then choose Confirm.
If you don’t have an Apple Account: Choose Not Going or Maybe, enter your name, then choose Confirm.
Note: If you’re asked to enter a password, your email address is associated with an existing Apple Account. To reset your password, select Forgot Password, then follow the onscreen instructions.
If you want to rejoin an event you left, ask the host to reinvite you.
For more details about Apple Invites and what you can do with it, see Introduction to Apple Invites.