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# OSSystemExtensionRequest

A request to activate or deactivate a system extension.

```
class OSSystemExtensionRequest
```

## Topics

### Creating Requests

[`activationRequest(forExtensionWithIdentifier:queue:)`](/documentation/SystemExtensions/OSSystemExtensionRequest/activationRequest(forExtensionWithIdentifier:queue:))

Creates a request to activate a System Extension.

[`deactivationRequest(forExtensionWithIdentifier:queue:)`](/documentation/SystemExtensions/OSSystemExtensionRequest/deactivationRequest(forExtensionWithIdentifier:queue:))

Creates a request to deactivate a System Extension.

### Working with a Delegate

[`delegate`](/documentation/SystemExtensions/OSSystemExtensionRequest/delegate)

A delegate to receive updates about the progress of a request.

[`OSSystemExtensionRequestDelegate`](/documentation/SystemExtensions/OSSystemExtensionRequestDelegate)

A type that receives updates about the progress of a request.

### Identifying the Target Extension

[`identifier`](/documentation/SystemExtensions/OSSystemExtensionRequest/identifier)

The bundle identifier of the target extension.

### Type Methods

[`propertiesRequest(forExtensionWithIdentifier:queue:)`](/documentation/SystemExtensions/OSSystemExtensionRequest/propertiesRequest(forExtensionWithIdentifier:queue:))


---

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