# Custom

> Custom default reflection.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.7/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
Custom = 1
```

### Remarks

You can specify cubemap that will be used as a default specular reflection.

Additional Resources: [RenderSettings.customReflection](/engine/6000.7/script-reference/unityengine/rendersettings/customreflection.md), [RenderSettings.defaultReflectionMode](/engine/6000.7/script-reference/unityengine/rendersettings/defaultreflectionmode.md), [Lighting Window](/engine/6000.7/manual/lighting-overview/lighting-reference/lighting-window.md).