---
title: duration
framework: Immersive Media Support
role: symbol
role_heading: Instance Property
platforms: [iOS 26.4+, iPadOS 26.4+, Mac Catalyst 26.4+, macOS 26.0+, visionOS 26.0+]
path: immersivemediasupport/presentationcommand/duration
---

# duration

## Declaration

```swift
var duration: CMTime { get }
```

## See Also

### Instance Properties

- [id](immersivemediasupport/presentationcommand/id.md)
- [offset](immersivemediasupport/presentationcommand/offset.md)
- [time](immersivemediasupport/presentationcommand/time.md)