# AssetPackManifest A manifest of asset packs that are available to download. ``` struct AssetPackManifest ``` ## Topics ### Creating an asset pack manifest [`init(contentsOf: URL, appGroupID: String) throws`](/documentation/BackgroundAssets/AssetPackManifest/init(contentsOf:appGroupID:)) Creates a manifest in memory given a URL to the manifest’s representation as a JSON file on disk. [`init(from: Data, appGroupID: String) throws`](/documentation/BackgroundAssets/AssetPackManifest/init(from:appGroupID:)) Creates a manifest in memory given JSON-encoded data. ### Accessing downloads [`func allDownloads(for: BAContentRequest?) -> Set`](/documentation/BackgroundAssets/AssetPackManifest/allDownloads(for:)) Creates download objects for every applicable asset pack in this manifest, which can be scheduled with the download manager. ### Getting asset packs [`let assetPacks: Set`](/documentation/BackgroundAssets/AssetPackManifest/assetPacks) The asset packs in this manifest that are available to download. [`func assetPack(withID: String) -> AssetPack?`](/documentation/BackgroundAssets/AssetPackManifest/assetPack(withID:)) Returns the asset pack in this manifest with the given ID. ### Getting localized asset packs [`var localizedAssetPacks: Set`](/documentation/BackgroundAssets/AssetPackManifest/localizedAssetPacks) The subset of asset packs in this manifest that best match the current preferred languages. [`func localizedAssetPacks(for: Locale.Language) -> Set`](/documentation/BackgroundAssets/AssetPackManifest/localizedAssetPacks(for:)) Returns the subset of asset packs in this manifest that are available to download and that best match the specified language. ### Inspecting asset pack localization [`var primaryLanguage: Locale.Language?`](/documentation/BackgroundAssets/AssetPackManifest/primaryLanguage) The app’s primary language as configured in App Store Connect. [`var availableLanguages: [Locale.Language]`](/documentation/BackgroundAssets/AssetPackManifest/availableLanguages) The languages for which asset packs in this manifest are localized. [`var resolvedLanguage: Locale.Language?`](/documentation/BackgroundAssets/AssetPackManifest/resolvedLanguage) The language that best matches current preferences and for which a localized asset pack is available locally. ### Supporting types [`struct DecodingConfiguration`](/documentation/BackgroundAssets/AssetPackManifest/DecodingConfiguration) A structure that includes information for decoding an asset-pack manifest. ## Relationships ### Conforms To [`DecodableWithConfiguration`](/documentation/Foundation/DecodableWithConfiguration) [`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible) [`Sendable`](/documentation/Swift/Sendable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Encodable`](/documentation/Swift/Encodable) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)