---
title: Quartz Composer Constants
framework: Quartz
role: collectionGroup
role_heading: API Collection
path: quartz/quartz-composer-constants
---

# Quartz Composer Constants

## Topics

### Constants

- [QCCompositionAttributeBuiltInKey](quartz/qccompositionattributebuiltinkey.md)
- [QCCompositionAttributeCategoryKey](quartz/qccompositionattributecategorykey.md)
- [QCCompositionAttributeCopyrightKey](quartz/qccompositionattributecopyrightkey.md)
- [QCCompositionAttributeDescriptionKey](quartz/qccompositionattributedescriptionkey.md)
- [QCCompositionAttributeHasConsumersKey](quartz/qccompositionattributehasconsumerskey.md)
- [QCCompositionAttributeIsTimeDependentKey](quartz/qccompositionattributeistimedependentkey.md)
- [QCCompositionAttributeNameKey](quartz/qccompositionattributenamekey.md)
- [QCCompositionCategoryDistortion](quartz/qccompositioncategorydistortion.md)
- [QCCompositionCategoryStylize](quartz/qccompositioncategorystylize.md)
- [QCCompositionCategoryUtility](quartz/qccompositioncategoryutility.md)
- [QCCompositionInputAudioPeakKey](quartz/qccompositioninputaudiopeakkey.md)
- [QCCompositionInputAudioSpectrumKey](quartz/qccompositioninputaudiospectrumkey.md)
- [QCCompositionInputDestinationImageKey](quartz/qccompositioninputdestinationimagekey.md)
- [QCCompositionInputImageKey](quartz/qccompositioninputimagekey.md)
- [QCCompositionInputPaceKey](quartz/qccompositioninputpacekey.md)
- [QCCompositionInputPreviewModeKey](quartz/qccompositioninputpreviewmodekey.md)
- [QCCompositionInputPrimaryColorKey](quartz/qccompositioninputprimarycolorkey.md)
- [QCCompositionInputRSSArticleDurationKey](quartz/qccompositioninputrssarticledurationkey.md)
- [QCCompositionInputRSSFeedURLKey](quartz/qccompositioninputrssfeedurlkey.md)
- [QCCompositionInputScreenImageKey](quartz/qccompositioninputscreenimagekey.md)
- [QCCompositionInputSecondaryColorKey](quartz/qccompositioninputsecondarycolorkey.md)
- [QCCompositionInputSourceImageKey](quartz/qccompositioninputsourceimagekey.md)
- [QCCompositionInputTrackInfoKey](quartz/qccompositioninputtrackinfokey.md)
- [QCCompositionInputTrackPositionKey](quartz/qccompositioninputtrackpositionkey.md)
- [QCCompositionInputTrackSignalKey](quartz/qccompositioninputtracksignalkey.md)
- [QCCompositionInputXKey](quartz/qccompositioninputxkey.md)
- [QCCompositionInputYKey](quartz/qccompositioninputykey.md)
- [QCCompositionOutputImageKey](quartz/qccompositionoutputimagekey.md)
- [QCCompositionOutputWebPageURLKey](quartz/qccompositionoutputwebpageurlkey.md)
- [QCCompositionProtocolGraphicAnimation](quartz/qccompositionprotocolgraphicanimation.md)
- [QCCompositionProtocolGraphicTransition](quartz/qccompositionprotocolgraphictransition.md)
- [QCCompositionProtocolImageFilter](quartz/qccompositionprotocolimagefilter.md)
- [QCCompositionProtocolMusicVisualizer](quartz/qccompositionprotocolmusicvisualizer.md)
- [QCCompositionProtocolRSSVisualizer](quartz/qccompositionprotocolrssvisualizer.md)
- [QCCompositionProtocolScreenSaver](quartz/qccompositionprotocolscreensaver.md)
- [QCPlugInAttributeCategoriesKey](quartz/qcpluginattributecategorieskey.md)
- [QCPlugInAttributeCopyrightKey](quartz/qcpluginattributecopyrightkey.md)
- [QCPlugInAttributeDescriptionKey](quartz/qcpluginattributedescriptionkey.md)
- [QCPlugInAttributeExamplesKey](quartz/qcpluginattributeexampleskey.md)
- [QCPlugInAttributeNameKey](quartz/qcpluginattributenamekey.md)
- [QCPlugInExecutionArgumentEventKey](quartz/qcpluginexecutionargumenteventkey.md)
- [QCPlugInExecutionArgumentMouseLocationKey](quartz/qcpluginexecutionargumentmouselocationkey.md)
- [QCPlugInPixelFormatARGB8](quartz/qcpluginpixelformatargb8.md)
- [QCPlugInPixelFormatBGRA8](quartz/qcpluginpixelformatbgra8.md)
- [QCPlugInPixelFormatI8](quartz/qcpluginpixelformati8.md)
- [QCPlugInPixelFormatIf](quartz/qcpluginpixelformatif.md)
- [QCPlugInPixelFormatRGBAf](quartz/qcpluginpixelformatrgbaf.md)
- [QCPortAttributeDefaultValueKey](quartz/qcportattributedefaultvaluekey.md)
- [QCPortAttributeMaximumValueKey](quartz/qcportattributemaximumvaluekey.md)
- [QCPortAttributeMenuItemsKey](quartz/qcportattributemenuitemskey.md)
- [QCPortAttributeMinimumValueKey](quartz/qcportattributeminimumvaluekey.md)
- [QCPortAttributeNameKey](quartz/qcportattributenamekey.md)
- [QCPortAttributeTypeKey](quartz/qcportattributetypekey.md)
- [QCPortTypeBoolean](quartz/qcporttypeboolean.md)
- [QCPortTypeColor](quartz/qcporttypecolor.md)
- [QCPortTypeImage](quartz/qcporttypeimage.md)
- [QCPortTypeIndex](quartz/qcporttypeindex.md)
- [QCPortTypeNumber](quartz/qcporttypenumber.md)
- [QCPortTypeString](quartz/qcporttypestring.md)
- [QCPortTypeStructure](quartz/qcporttypestructure.md)
- [QCRendererEventKey](quartz/qcrenderereventkey.md)
- [QCRendererMouseLocationKey](quartz/qcrenderermouselocationkey.md)
- [kQCPlugInExecutionModeConsumer](quartz/kqcpluginexecutionmodeconsumer.md)
- [kQCPlugInExecutionModeProcessor](quartz/kqcpluginexecutionmodeprocessor.md)
- [kQCPlugInExecutionModeProvider](quartz/kqcpluginexecutionmodeprovider.md)
- [kQCPlugInTimeModeIdle](quartz/kqcplugintimemodeidle.md)
- [kQCPlugInTimeModeNone](quartz/kqcplugintimemodenone.md)
- [kQCPlugInTimeModeTimeBase](quartz/kqcplugintimemodetimebase.md)

## See Also

### Reference

- [Quartz Data Types](quartz/quartz-data-types.md)
- [Quartz Constants](quartz/quartz-constants.md)
- [Quartz Enumerations](quartz/quartz-enumerations.md)
- [Quartz Composer Enumerations](quartz/quartz-composer-enumerations.md)