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# BAAssetPack

An archive of assets that the system downloads together.

```
@interface BAAssetPack : NSObject
```

## Overview

An instance of this class can be invalidated when the asset pack that it represents is updated on the server.

## Topics

### Identifying assets

[`identifier`](/documentation/BackgroundAssets/BAAssetPack/identifier)

A unique identifier for the asset pack.

[`version`](/documentation/BackgroundAssets/BAAssetPack/version)

The asset pack’s version number

### Accessing asset details

[`userInfo`](/documentation/BackgroundAssets/BAAssetPack/userInfo)

JSON-encoded custom information that’s associated with the asset pack.

### Accessing asset language

[`language`](/documentation/BackgroundAssets/BAAssetPack/language)

The language, represented as a BCP-47 identifier, for which this asset pack is localized.

### Downloading assets

[`-  download`](/documentation/BackgroundAssets/BAAssetPack/download)

Creates a download object for the asset pack that you schedule using a download manager.

[`-  downloadForContentRequest:`](/documentation/BackgroundAssets/BAAssetPack/downloadForContentRequest:)

Creates a download object for the asset pack that you schedule using a download manager.

[`downloadSize`](/documentation/BackgroundAssets/BAAssetPack/downloadSize)

The size of the download file containing the asset pack in bytes.

## Relationships

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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