---
title: "init(preTime:)"
framework: usdkit
role: symbol
role_heading: Initializer
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: "usdkit/usdstage/timecode/init(pretime:)-7gpbh"
---

# init(preTime:)

The instant directly before the given time value.

## Declaration

```swift
init(preTime instant: Double)
```

## Discussion

Discussion If a time-varying value is discontinuous at instant, pre-time refers to the value’s limit approaching from the left.