---
title: bundleIdentifier
framework: managedsettings
role: symbol
role_heading: Instance Property
path: managedsettings/application/bundleidentifier
---

# bundleIdentifier

The unique string that identifies this app.

## Declaration

```swift
let bundleIdentifier: String?
```

## Discussion

Discussion In an extension that provides shield configurations, this property provides the app’s bundle identifier. When you access this property outside that extension, the value is nil. See ShieldConfigurationDataSource in the ManagedSettingsUI framework for more information.

## See Also

### Accessing application information

- [token](managedsettings/application/token.md)
- [localizedDisplayName](managedsettings/application/localizeddisplayname.md)