---
title: shadow
framework: realitykit
role: symbol
role_heading: Type Property
path: realitykit/spatialtrackingsession/configuration/sceneunderstandingcapability/shadow
---

# shadow

The capability that allows the system to use scene-understanding data for shadow casting.

## Declaration

```swift
static let shadow: SpatialTrackingSession.Configuration.SceneUnderstandingCapability
```

## Mentioned in

Implementing scene understanding and reconstruction in your RealityKit app