Add attendees to iCloud calendar event

I am using Event Kit to read and create events. I want to be able to add attendees to such events. But as described in documentation we cannod do that with Event Kit framework:


"Event Kit provides limited access to a user’s Calendar database; it does not include everything that would be desired for implementing a full-featured calendar or reminder app, such as adding attendees or accounts" (https://developer.apple.com/library/ios/documentation/DataManagement/Conceptual/EventKitProgGuide/Introduction/Introduct…)


I see that some apps, like "Google Calendar", can do that. I think that they are using CalDAV protocol, but I could not find anythink about that (documentation, tutorials, other helpfull resources) and I don't know where to start.


Any help would be welcome.

Thanks

There is actually an "Invitees" row once you set the calendar source with "iCloud" as a title.


From there you can add attendees. But, I noticed that loading the contacts will block the search contacts input bar.

Add attendees to iCloud calendar event
 
 
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