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# AVMediaExtensionProperties

An object that describes a Media Extension.

```
class AVMediaExtensionProperties
```

## Topics

### Inspecting the extension

[`extensionName`](/documentation/AVFoundation/AVMediaExtensionProperties/extensionName)

The name of the Media Extension.

[`containingBundleName`](/documentation/AVFoundation/AVMediaExtensionProperties/containingBundleName)

The name of the containing app bundle.

[`extensionIdentifier`](/documentation/AVFoundation/AVMediaExtensionProperties/extensionIdentifier)

[`extensionURL`](/documentation/AVFoundation/AVMediaExtensionProperties/extensionURL)

The file URL of the Media Extension bundle.

[`containingBundleURL`](/documentation/AVFoundation/AVMediaExtensionProperties/containingBundleURL)

The file URL of the host application for the Media Extension.


---

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