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# SFSafariExtensionManager

A class that your app uses to find out the current state of a Safari extension.

```
class SFSafariExtensionManager
```

## Overview

In macOS, use this class to find out the current state of either a Safari app extension or Safari web extension. In iOS and visionOS, use this class to find out the current state of a Safari web extension.

## Topics

### Checking on the state of an extension

[`+  getStateOfSafariExtensionWithIdentifier:completionHandler:`](/documentation/SafariServices/SFSafariExtensionManager/getStateOfSafariExtension(withIdentifier:completionHandler:))

Returns the current state of a Safari extension.

[`+  getStateOfExtensionWithIdentifier:completionHandler:`](/documentation/SafariServices/SFSafariExtensionManager/getStateOfExtension(withIdentifier:completionHandler:))

Returns the current state of a Safari web extension.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Sendable`](/documentation/Swift/Sendable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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