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# OSSystemExtensionProperties

Properties that identify a specific version of a system extension.

```
class OSSystemExtensionProperties
```

## Topics

### Identifying the Extension

[`bundleIdentifier`](/documentation/SystemExtensions/OSSystemExtensionProperties/bundleIdentifier)

The bundle identifier of the extension.

[`bundleVersion`](/documentation/SystemExtensions/OSSystemExtensionProperties/bundleVersion)

The bundle version of the extension.

[`bundleShortVersion`](/documentation/SystemExtensions/OSSystemExtensionProperties/bundleShortVersion)

The bundle short version string of the extension.

### Locating the Extension’s Installed Location

[`url`](/documentation/SystemExtensions/OSSystemExtensionProperties/url)

The file URL of the extension bundle.

### Instance Properties

[`isAwaitingUserApproval`](/documentation/SystemExtensions/OSSystemExtensionProperties/isAwaitingUserApproval)

[`isEnabled`](/documentation/SystemExtensions/OSSystemExtensionProperties/isEnabled)

[`isUninstalling`](/documentation/SystemExtensions/OSSystemExtensionProperties/isUninstalling)


---

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