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# Scene Attributes

Attribute keys available in the options dictionary for the methods  [`attribute(forKey:)`](/documentation/SceneKit/SCNScene/attribute(forKey:)) and [`setAttribute(_:forKey:)`](/documentation/SceneKit/SCNScene/setAttribute(_:forKey:))

## Topics

### Constants

[`SCNSceneEndTimeAttributeKey`](/documentation/SceneKit/SCNScene/Attribute/endTime)

[`SCNSceneFrameRateAttributeKey`](/documentation/SceneKit/SCNScene/Attribute/frameRate)

A floating-point value for the frame rate of the scene.

[`SCNSceneStartTimeAttributeKey`](/documentation/SceneKit/SCNScene/Attribute/startTime)

[`SCNSceneUpAxisAttributeKey`](/documentation/SceneKit/SCNScene/Attribute/upAxis)

An `SCNVector3` structure specifying the orientation of the scene.


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