---
title: streams
framework: coremediaio
role: symbol
role_heading: Instance Property
path: coremediaio/cmioextensiondevice/streams
---

# streams

An array of media streams attached to this device.

## Declaration

```swift
var streams: [CMIOExtensionStream] { get }
```

## Discussion

Discussion This property isn’t key-value observable.

## See Also

### Managing Streams

- [addStream(_:)](coremediaio/cmioextensiondevice/addstream(_:).md)
- [removeStream(_:)](coremediaio/cmioextensiondevice/removestream(_:).md)