---
title: allExtensionDataTypes
framework: webkit
role: symbol
role_heading: Type Property
path: webkit/wkwebextensioncontroller/allextensiondatatypes
---

# allExtensionDataTypes

Returns a set of all available extension data types.

## Declaration

```swift
class var allExtensionDataTypes: Set<WKWebExtension.DataType> { get }
```