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

# extensionBundleIdentifier

The bundle identifier for your WidgetKit extension.

## Declaration

```swift
final let extensionBundleIdentifier: String
```

## See Also

### Accessing configuration properties

- [kind](clockkit/clkcomplicationappintentwidgetmigrationconfiguration/kind.md)
- [intent](clockkit/clkcomplicationappintentwidgetmigrationconfiguration/intent.md)
- [localizedDisplayName](clockkit/clkcomplicationappintentwidgetmigrationconfiguration/localizeddisplayname.md)