---
title: "foundDevice(_:)"
framework: mediadevice
role: symbol
role_heading: Instance Method
path: "mediadevice/mediadeviceroutingmanager/founddevice(_:)"
---

# foundDevice(_:)

Notifies the system of a new media device, so it can be included in device lists for users to select.

## Declaration

```swift
@MainActor final func foundDevice(_ device: MediaOutputDevice)
```

## Parameters

- `device`: The device that was discovered.

## Mentioned in

Creating a media device extension

## Discussion

Discussion Call this function when a MediaDeviceExtension discovers a new device.