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Apple Developer Docs

System / Stat / deviceID

Contents

Declaration
Discussion

deviceID

ID of device containing file

Declaration

var deviceID: DeviceID { get set }

Discussion

The corresponding C property is st_dev.

Open on developer.apple.com

SystemInstance Property

iOS 27.0+iPadOS 27.0+Mac Catalyst 27.0+macOS 27.0+tvOS 27.0+visionOS 27.0+watchOS 27.0+

Declaration
Discussion

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation