---
title: IOSurfaceID
framework: IOSurface
role: symbol
role_heading: Type Alias
platforms: [iOS 11.0+, iPadOS 11.0+, Mac Catalyst 13.0+, macOS 10.6+, tvOS 11.0+, visionOS 1.0+]
path: iosurface/iosurfaceid
---

# IOSurfaceID

An IOSurface identifier.

## Declaration

```swift
typealias IOSurfaceID = UInt32
```