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# NSLocationAlwaysUsageDescription

A message that tells people why the app is requesting access to their location at all times.

## Discussion

Use this key if your iOS app accesses location information in the background, and you deploy to a target earlier than iOS 11. In that case, add both this key and [`NSLocationAlwaysAndWhenInUseUsageDescription`](/documentation/BundleResources/Information-Property-List/NSLocationAlwaysAndWhenInUseUsageDescription) to your app’s `Info.plist` file with the same message. Apps running on older versions of the OS use the message associated with [`NSLocationAlwaysUsageDescription`](/documentation/BundleResources/Information-Property-List/NSLocationAlwaysUsageDescription), while apps running on later versions use the one associated with [`NSLocationAlwaysAndWhenInUseUsageDescription`](/documentation/BundleResources/Information-Property-List/NSLocationAlwaysAndWhenInUseUsageDescription).

If your app only needs location information when in the foreground, use [`NSLocationWhenInUseUsageDescription`](/documentation/BundleResources/Information-Property-List/NSLocationWhenInUseUsageDescription) instead. For more information, see [Choosing the  Location Services Authorization to Request](/documentation/BundleResources/choosing-the-location-services-authorization-to-request).

If you need location information in a macOS app, use [`NSLocationUsageDescription`](/documentation/BundleResources/Information-Property-List/NSLocationUsageDescription) instead.

> Important:
> This key is required if your iOS app uses APIs that access the user’s location at all times and deploys to targets earlier than iOS 11.

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