---
title: Standard Protocols
framework: quartz
role: collectionGroup
role_heading: API Collection
path: quartz/standard-protocols
---

# Standard Protocols

Protocols for a composition.

## Topics

### Constants

- [QCCompositionProtocolGraphicAnimation](quartz/qccompositionprotocolgraphicanimation.md)
- [QCCompositionProtocolGraphicTransition](quartz/qccompositionprotocolgraphictransition.md)
- [QCCompositionProtocolImageFilter](quartz/qccompositionprotocolimagefilter.md)
- [QCCompositionProtocolScreenSaver](quartz/qccompositionprotocolscreensaver.md)
- [QCCompositionProtocolRSSVisualizer](quartz/qccompositionprotocolrssvisualizer.md)
- [QCCompositionProtocolMusicVisualizer](quartz/qccompositionprotocolmusicvisualizer.md)

## See Also

### Constants

- [Attribute Keys](quartz/attribute-keys.md)
- [Composition Categories](quartz/composition-categories.md)
- [Standard Protocol Input Keys](quartz/standard-protocol-input-keys.md)
- [Standard Protocol Output Keys](quartz/standard-protocol-output-keys.md)