---
title: intensityExponent
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/realityrenderer/imagebasedlight/intensityexponent
---

# intensityExponent

The intensity value of the light. The intensity modulates the intensity specified in the diffuse and specular textures An intensity of 0 means using the diffuse/specular intensities as-is Otherwise the intensity is multiplied by 2^intensity

## Declaration

```swift
var intensityExponent: Float
```