Change notification settings in Apple Invites
In Apple Invites, you can choose whether you’re notified about changes for events you’re hosting or attending.
Change notification settings in the app
- Go to the Apple Invites app - on your iPhone. 
- Tap your Apple Account photo or - in the top-right corner. 
- Tap Push Notifications or Email Updates, then turn options on or off. 
Change notification settings on iCloud.com
- Go to icloud.com/invites, then sign in to your Apple Account (if you haven’t already). 
- Select - . 
- Below Email Notifications, turn the options on or off. 
Sync Apple Invites events to the Calendar app
- Go to the Apple Invites app - on your iPhone. 
- Tap your Apple Account photo or - in the top-right corner. 
- Tap Calendar Sync. 
- Turn on Sync All Events. - If you have multiple calendars, choose which calendar you want events to sync to. 
For more details about Apple Invites and what you can do with it, see Introduction to Apple Invites.