---
title: clockType
framework: coremediaio
role: symbol
role_heading: Instance Property
path: coremediaio/cmioextensionstream/clocktype-swift.property
---

# clockType

A clock type for the stream.

## Declaration

```swift
var clockType: CMIOExtensionStream.ClockType { get }
```

## Discussion

Discussion If you created the stream with a custom clock configuration, the value of this property is CMIOExtensionStream.ClockType.custom.

## See Also

### Inspecting a Stream

- [source](coremediaio/cmioextensionstream/source.md)
- [direction](coremediaio/cmioextensionstream/direction-swift.property.md)
- [CMIOExtensionStream.Direction](coremediaio/cmioextensionstream/direction-swift.enum.md)
- [CMIOExtensionStream.ClockType](coremediaio/cmioextensionstream/clocktype-swift.enum.md)
- [customClockConfiguration](coremediaio/cmioextensionstream/customclockconfiguration.md)
- [CMIOExtensionStreamCustomClockConfiguration](coremediaio/cmioextensionstreamcustomclockconfiguration.md)