<!--
{
  "availability" : [
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "tvOS: 27.0.0 -",
    "visionOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "USDKit",
  "identifier" : "/documentation/USDKit/USDStage/TimeCode/init(preTime:)-7gpbh",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "USDKit"
    ],
    "preciseIdentifier" : "s:6USDKit8USDStageV8TimeCodeV03preC0AESd_tcfc"
  },
  "title" : "init(preTime:)"
}
-->

# init(preTime:)

The instant directly before the given time value.

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

## Discussion

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

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)