---
title: specular
framework: modelio
role: symbol
role_heading: Instance Property
path: modelio/mdlscatteringfunction/specular
---

# specular

The intensity of specular highlights on the material’s surface.

## Declaration

```swift
var specular: MDLMaterialProperty { get }
```

## Discussion

Discussion The default specular value is zero (no specular highlights).

## See Also

### Working with Shading Properties

- [baseColor](modelio/mdlscatteringfunction/basecolor.md)
- [emission](modelio/mdlscatteringfunction/emission.md)
- [materialIndexOfRefraction](modelio/mdlscatteringfunction/materialindexofrefraction.md)
- [interfaceIndexOfRefraction](modelio/mdlscatteringfunction/interfaceindexofrefraction.md)
- [normal](modelio/mdlscatteringfunction/normal.md)
- [ambientOcclusion](modelio/mdlscatteringfunction/ambientocclusion.md)
- [ambientOcclusionScale](modelio/mdlscatteringfunction/ambientocclusionscale.md)