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Foundation / URLResourceKey / volumeAvailableCapacityKey

Contents

Declaration
Discussion
See Also

volumeAvailableCapacityKey

Key for the volume’s available capacity in bytes (read-only).

Declaration

static let volumeAvailableCapacityKey: URLResourceKey

Discussion

important:

This API has the potential of being misused to access device signals to try to identify the device or user, also known as fingerprinting. Regardless of whether a user gives your app permission to track, fingerprinting is not allowed. When you use this API in your app or third-party SDK (an SDK not provided by Apple), declare your usage and the reason for using the API in your app or third-party SDK’s PrivacyInfo.xcprivacy file. For more information, including the list of valid reasons for using the API, see Describing use of required reason API.

See Also

Volume capacity keys

Checking Volume Storage Capacity
volumeAvailableCapacityForImportantUsageKey
volumeAvailableCapacityForOpportunisticUsageKey
volumeTotalCapacityKey

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FoundationType Property

iOS 4.0+iPadOS 4.0+Mac Catalyst 13.1+macOS 10.6+tvOS 9.0+visionOS 1.0+watchOS 2.0+

Declaration
Discussion
See Also

Built on 2026-05-07