---
title: sourceIdentifier
framework: eventkit
role: symbol
role_heading: Instance Property
path: eventkit/eksource/sourceidentifier
---

# sourceIdentifier

A unique identifier for the source object.

## Declaration

```swift
var sourceIdentifier: String { get }
```

## See Also

### Accessing Source Properties

- [EKSourceType](eventkit/eksourcetype.md)
- [sourceType](eventkit/eksource/sourcetype.md)
- [title](eventkit/eksource/title.md)