EventKit API Reference

Overview

EventKit provides programmatic access to the Calendar and Reminders databases. EventKitUI provides system view controllers for calendar UI. This reference covers the complete API surface for both frameworks.

For access tier decision tree and best practices, see the eventkit discipline skill.

Platform: iOS 4.0+, iPadOS 4.0+, macOS 10.8+, Mac Catalyst 13.1+, watchOS 2.0+, visionOS 1.0+

Part 1: EKEventStore

The central hub for all calendar and reminder operations. Create one per app and reuse it.

Initialization