---
title: USDStage.Notice
framework: usdkit
role: symbol
role_heading: Protocol
path: usdkit/usdstage-4sfi1/notice
---

# USDStage.Notice

## Declaration

```swift
protocol Notice
```

## Topics

### Instance Properties

- [stage](usdkit/usdstage-4sfi1/notice/stage.md)

## Relationships

### Conforming Types

- [USDStage.ObjectsDidChange](usdkit/usdstage-4sfi1/objectsdidchange.md)

## See Also

### Observing changes

- [addObserver(for:using:)](usdkit/usdstage-4sfi1/addobserver(for:using:).md)
- [USDStage.ObjectsDidChange](usdkit/usdstage-4sfi1/objectsdidchange.md)
- [USDStage.ObservationToken](usdkit/usdstage-4sfi1/observationtoken.md)