---
title: errorDomain
framework: Quick Look Thumbnailing
role: symbol
role_heading: Type Property
platforms: [iOS 13.0+, iPadOS 13.0+, Mac Catalyst 13.1+, macOS 10.15+, visionOS 1.0+]
path: quicklookthumbnailing/qlthumbnailerror-swift.struct/errordomain
---

# errorDomain

## Declaration

```swift
static var errorDomain: String { get }
```