EventKit

1. Essentials

   Covers Accessing the event store, EKEventStore, Accessing Calendar using EventKit and EventKitUI.

2. Events and reminders

   Covers Creating events and reminders, Retrieving events and reminders, Updating with notifications, Managing location-based reminders.

3. Calendars

   Covers EKCalendar, EKParticipant.

4. Recurrence

   Covers Creating a recurring event, EKRecurrenceDayOfWeek, EKRecurrenceEnd, EKRecurrenceRule.

5. Alarms

   Covers Setting an alarm, EKAlarm, EKStructuredLocation.

6. Common objects

   Covers EKCalendarItem, EKObject, EKSource.

7. Virtual conferences

   Covers Implementing a virtual conference extension, EKVirtualConferenceProvider, EKVirtualConferenceDescriptor, EKVirtualConferenceRoomTypeDescriptor.

8. Errors

   Covers EKError, EKError.Code, EKErrorDomain.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• DockKit App Services
• DriverKit System
• Endpoint Security System
• EnergyKit App Frameworks
• Enterprise Program API Developer Tools
• Evaluations App Frameworks
• EventKit UI App Services
• Exception Handling System
• Execution Policy System
• Exposure Notification System
• ExtensionFoundation App Services
• ExtensionKit App Services