---
title: WKCompanionAppBundleIdentifier
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/wkcompanionappbundleidentifier
---

# WKCompanionAppBundleIdentifier

The bundle ID of the watchOS app’s companion iOS app.

## Discussion

Discussion Xcode automatically includes this key in the WatchKit app’s information property list when you create a watchOS project from a template. The value should be the same as the iOS app’s CFBundleIdentifier.

## See Also

### Identification

- [CFBundleIdentifier](bundleresources/information-property-list/cfbundleidentifier.md)
- [WKAppBundleIdentifier](bundleresources/information-property-list/wkappbundleidentifier.md)