---
title: hasContentModificationRules
framework: webkit
role: symbol
role_heading: Instance Property
path: webkit/wkwebextensioncontext/hascontentmodificationrules
---

# hasContentModificationRules

A boolean value indicating whether the extension includes rules used for content modification or blocking.

## Declaration

```swift
var hasContentModificationRules: Bool { get }
```

## Discussion

Discussion This includes both static rules available in the extension’s manifest and dynamic rules applied during a browsing session.