---
title: extensionBundleIdentifier
framework: clockkit
role: symbol
role_heading: Instance Property
path: clockkit/clkcomplicationstaticwidgetmigrationconfiguration/extensionbundleidentifier
---

# extensionBundleIdentifier

The bundle identifier for your WidgetKit extension.

## Declaration

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

## See Also

### Accessing configuration properties

- [kind](clockkit/clkcomplicationstaticwidgetmigrationconfiguration/kind.md)