---
title: "USDPreviewSession.Event.timeChanged(_:)"
framework: spatialpreview
role: symbol
role_heading: Case
path: "spatialpreview/usdpreviewsession/event/timechanged(_:)"
---

# USDPreviewSession.Event.timeChanged(_:)

The USD animation timecode has changed

## Declaration

```swift
case timeChanged(TimeInterval)
```