---
title: SpatialTrackingSession.UnavailableCapabilities
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/spatialtrackingsession/unavailablecapabilities
---

# SpatialTrackingSession.UnavailableCapabilities

A type that contains the unavailable capabilities of the current spatial tracking session.

## Declaration

```swift
struct UnavailableCapabilities
```

## Topics

### Initializers

- [init()](realitykit/spatialtrackingsession/unavailablecapabilities/init().md)

### Instance Properties

- [anchor](realitykit/spatialtrackingsession/unavailablecapabilities/anchor.md)
- [debugDescription](realitykit/spatialtrackingsession/unavailablecapabilities/debugdescription.md)
- [missingAuthorizations](realitykit/spatialtrackingsession/unavailablecapabilities/missingauthorizations.md)
- [missingCameraAuthorization](realitykit/spatialtrackingsession/unavailablecapabilities/missingcameraauthorization.md)
- [sceneUnderstanding](realitykit/spatialtrackingsession/unavailablecapabilities/sceneunderstanding.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Escapable](swift/escapable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Spatial tracking

- [SpatialTrackingSession](realitykit/spatialtrackingsession.md)
- [SpatialTrackingSession.Configuration](realitykit/spatialtrackingsession/configuration.md)
- [SpatialTrackingSession.Configuration.AnchorCapability](realitykit/spatialtrackingsession/configuration/anchorcapability.md)
- [SpatialTrackingSession.Configuration.SceneUnderstandingCapability](realitykit/spatialtrackingsession/configuration/sceneunderstandingcapability.md)
- [SpatialTrackingSession.Configuration.Camera](realitykit/spatialtrackingsession/configuration/camera.md)