---
title: CustomMaterial.LightingModel.clearcoat
framework: realitykit
role: symbol
role_heading: Case
path: realitykit/custommaterial/lightingmodel-swift.enum/clearcoat
---

# CustomMaterial.LightingModel.clearcoat

The entity renders using physically based rendering techniques with a clearcoat.

## Declaration

```swift
case clearcoat
```

## Discussion

Discussion A custom material using the CustomMaterial.LightingModel.clearcoat lighting model uses physically based rendering, including a clearcoat if the material’s surface shader calls params.surface().set_clearcoat().

## See Also

### Specifying the lighting model

- [CustomMaterial.LightingModel.lit](realitykit/custommaterial/lightingmodel-swift.enum/lit.md)
- [CustomMaterial.LightingModel.unlit](realitykit/custommaterial/lightingmodel-swift.enum/unlit.md)