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

# attenuationFalloffExponent

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

## Declaration

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

## See Also

### Configuring the light

- [attenuationRadius](realitykit/pointlightcomponent/attenuationradius.md)
- [intensity](realitykit/pointlightcomponent/intensity.md)