---
title: "init(tracking:sceneUnderstanding:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/spatialtrackingsession/configuration/init(tracking:sceneunderstanding:)"
---

# init(tracking:sceneUnderstanding:)

Creates a configuration with a set of anchor capabilities and scene understanding capabilities.

## Declaration

```swift
init(tracking anchorCapabilities: Set<SpatialTrackingSession.Configuration.AnchorCapability> = [], sceneUnderstanding: Set<SpatialTrackingSession.Configuration.SceneUnderstandingCapability> = [])
```

## Parameters

- `anchorCapabilities`: The set of anchor capabilities to run with a doc://com.apple.RealityKit/documentation/RealityKit/SpatialTrackingSession.
- `sceneUnderstanding`: The set of scene understanding capabilities to run with a doc://com.apple.RealityKit/documentation/RealityKit/SpatialTrackingSession.