---
title: baseURLAlreadyInUse
framework: webkit
role: symbol
role_heading: Type Property
path: webkit/wkwebextensioncontext/error/baseurlalreadyinuse
---

# baseURLAlreadyInUse

Indicates that another context is already using the specified base URL.

## Declaration

```swift
static var baseURLAlreadyInUse: WKWebExtensionContext.Error.Code { get }
```