# sizeCustom

> The size of the bounding box in which the 3D grid of interpolated Light Probes is generated.

## Definition

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

> **Warning:**
>
> **Deprecated.** The Light Probe Proxy Volume component is deprecated now that the Built-In Render Pipeline is deprecated. To use an alternative, refer to the documentation in the component help icon. #from(6000.5)

```csharp
public Vector3 sizeCustom { get; set; }
```

### Remarks

This is used when the [LightProbeProxyVolume.boundingBoxMode](/engine/6000.7/script-reference/unityengine/lightprobeproxyvolume/boundingboxmode-1.md) property is set to **Custom**.