---
title: errorDomain
framework: StoreKit Test
role: symbol
role_heading: Type Property
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+, visionOS 1.0+, watchOS 7.0+]
path: storekittest/sktesterror/errordomain
---

# errorDomain

The domain of the error.

## Declaration

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