---
title: appExtension
framework: extensionkit
role: symbol
role_heading: Instance Property
path: extensionkit/exhostviewcontroller/configuration-swift.struct/appextension
---

# appExtension

The app extension for this configuration object.

## Declaration

```swift
var appExtension: AppExtensionIdentity
```

## See Also

### Identifying the scene to display

- [sceneID](extensionkit/exhostviewcontroller/configuration-swift.struct/sceneid.md)