---
title: MTLDeviceErrorDomain
framework: Metal
role: symbol
role_heading: Global Variable
platforms: [iOS 26.4+, iPadOS 26.4+, Mac Catalyst 26.4+, macOS 26.4+, tvOS 26.4+, visionOS 26.4+]
path: metal/mtldeviceerrordomain
---

# MTLDeviceErrorDomain

## Declaration

```swift
let MTLDeviceErrorDomain: String
```