---
title: QCCompositionAttributeIsTimeDependentKey
framework: quartz
role: symbol
role_heading: Global Variable
path: quartz/qccompositionattributeistimedependentkey
---

# QCCompositionAttributeIsTimeDependentKey

## Declaration

```swift
let QCCompositionAttributeIsTimeDependentKey: String
```

## See Also

### Deprecated constants

- [QCPlugInAttributeCategoriesKey](quartz/qcpluginattributecategorieskey.md)
- [QCPlugInAttributeCopyrightKey](quartz/qcpluginattributecopyrightkey.md)
- [QCPlugInAttributeExamplesKey](quartz/qcpluginattributeexampleskey.md)