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# isVirtualDeviceConstituentPhotoDeliveryEnabled

A Boolean value that indicates whether the photo output delivers photos from constituent cameras of a virtual device.

```
var isVirtualDeviceConstituentPhotoDeliveryEnabled: Bool { get set }
```

## Discussion

You can only set this value to <doc://com.apple.documentation/documentation/Swift/true> when [`isVirtualDeviceConstituentPhotoDeliverySupported`](/documentation/AVFoundation/AVCapturePhotoOutput/isVirtualDeviceConstituentPhotoDeliverySupported) is <doc://com.apple.documentation/documentation/Swift/true>.

The default value is <doc://com.apple.documentation/documentation/Swift/false>.

> Important:
> Virtual device constituent photo delivery requires a lengthy reconfiguration of the capture render pipeline, so enable this property prior to starting the capture session.

---

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