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# ManagedDownloaderExtension

An app extension that uses the system implementation to schedule asset-pack downloads automatically.

```
protocol ManagedDownloaderExtension : BADownloaderExtension where Self.Configuration : ManagedDownloaderExtensionConfiguration
```

## Overview

The protocol provides default implementations for all of the inherited `BADownloaderExtension` requirements.

> Warning: Don’t implement any of the inherited ``BADownloaderExtension`` requirements aside from, optionally, ``doc://com.apple.backgroundassets/documentation/BackgroundAssets/BADownloaderExtension-qwaw/backgroundDownload(_:didReceive:)``.

## Topics

### Downloading assets

[`shouldDownload(_:)`](/documentation/BackgroundAssets/ManagedDownloaderExtension/shouldDownload(_:))

Determines whether to download an asset pack.



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