---
title: attenuationFalloffExponent
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/spotlightcomponent/attenuationfalloffexponent
---

# attenuationFalloffExponent

The exponent value for the light’s intensity falloff-transition curve.

## Declaration

```swift
var attenuationFalloffExponent: Float { get set }
```

## See Also

### Configuring the spotlight

- [intensity](realitykit/spotlightcomponent/intensity.md)
- [innerAngleInDegrees](realitykit/spotlightcomponent/innerangleindegrees.md)
- [outerAngleInDegrees](realitykit/spotlightcomponent/outerangleindegrees.md)
- [attenuationRadius](realitykit/spotlightcomponent/attenuationradius.md)