---
title: WKWebExtension.MatchPattern.Error.Code.invalidScheme
framework: webkit
role: symbol
role_heading: Case
path: webkit/wkwebextension/matchpattern/error/code/invalidscheme
---

# WKWebExtension.MatchPattern.Error.Code.invalidScheme

Indicates that the scheme component was invalid.

## Declaration

```swift
case invalidScheme
```