---
title: SFSafariExtension
framework: safariservices
role: symbol
role_heading: Class
path: safariservices/sfsafariextension
---

# SFSafariExtension

A proxy for the Safari extension.

## Declaration

```swift
class SFSafariExtension
```

## Topics

### Type Methods

- [getBaseURI(completionHandler:)](safariservices/sfsafariextension/getbaseuri(completionhandler:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Safari app extensions

- [Safari app extensions](safariservices/safari-app-extensions.md)
- [SFSafariApplication](safariservices/sfsafariapplication.md)
- [SFSafariWindow](safariservices/sfsafariwindow.md)
- [SFSafariPage](safariservices/sfsafaripage.md)
- [SFSafariTab](safariservices/sfsafaritab.md)