---
title: extensionPointIdentifier
framework: extensionfoundation
role: symbol
role_heading: Instance Property
path: extensionfoundation/appextensionidentity/extensionpointidentifier
---

# extensionPointIdentifier

The extension point of your host app that the app extension supports.

## Declaration

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

## Discussion

Discussion This property contains the identifier for one of the host app’s extension points. Extension points represent the extensible features of the host app.

## See Also

### Identifying the process

- [bundleIdentifier](extensionfoundation/appextensionidentity/bundleidentifier.md)
- [localizedName](extensionfoundation/appextensionidentity/localizedname.md)