---
title: eventIdentifier
framework: eventkit
role: symbol
role_heading: Instance Property
path: eventkit/ekevent/eventidentifier
---

# eventIdentifier

A unique identifier for the event.

## Declaration

```swift
var eventIdentifier: String! { get }
```

## Mentioned in

Retrieving events and reminders

## Discussion

Discussion You can use this identifier to look up an event with the EKEventStore method event(withIdentifier:). If the calendar of an event changes, its identifier most likely changes as well.

## See Also

### Accessing Event Properties

- [availability](eventkit/ekevent/availability.md)
- [startDate](eventkit/ekevent/startdate.md)
- [endDate](eventkit/ekevent/enddate.md)
- [isAllDay](eventkit/ekevent/isallday.md)
- [occurrenceDate](eventkit/ekevent/occurrencedate.md)
- [isDetached](eventkit/ekevent/isdetached.md)
- [organizer](eventkit/ekevent/organizer.md)
- [status](eventkit/ekevent/status.md)
- [birthdayContactIdentifier](eventkit/ekevent/birthdaycontactidentifier.md)
- [structuredLocation](eventkit/ekevent/structuredlocation.md)
- [birthdayPersonID](eventkit/ekevent/birthdaypersonid.md)
- [birthdayPersonUniqueID](eventkit/ekevent/birthdaypersonuniqueid.md)