---
title: WKWebExtension.TabChangedProperties
framework: webkit
role: symbol
role_heading: Structure
path: webkit/wkwebextension/tabchangedproperties
---

# WKWebExtension.TabChangedProperties

Constants the web extension controller and web extension context use to indicate tab changes.

## Declaration

```swift
struct TabChangedProperties
```

## Topics

### Initializers

- [init(rawValue:)](webkit/wkwebextension/tabchangedproperties/init(rawvalue:).md)

### Type Properties

- [URL](webkit/wkwebextension/tabchangedproperties/url.md)
- [loading](webkit/wkwebextension/tabchangedproperties/loading.md)
- [muted](webkit/wkwebextension/tabchangedproperties/muted.md)
- [pinned](webkit/wkwebextension/tabchangedproperties/pinned.md)
- [playingAudio](webkit/wkwebextension/tabchangedproperties/playingaudio.md)
- [readerMode](webkit/wkwebextension/tabchangedproperties/readermode.md)
- [size](webkit/wkwebextension/tabchangedproperties/size.md)
- [title](webkit/wkwebextension/tabchangedproperties/title.md)
- [zoomFactor](webkit/wkwebextension/tabchangedproperties/zoomfactor.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)

## See Also

### Structures

- [WKWebExtension.DataType](webkit/wkwebextension/datatype.md)
- [WKWebExtension.Error](webkit/wkwebextension/error.md)
- [WKWebExtension.Permission](webkit/wkwebextension/permission.md)