---
title: SpatialPreviewSessionState.invalidated
framework: spatialpreview
role: symbol
role_heading: Case
path: spatialpreview/spatialpreviewsessionstate/invalidated
---

# SpatialPreviewSessionState.invalidated

The sesion has been invalidated and is no longer available.

## Declaration

```swift
case invalidated
```

## Mentioned in

Bridging an application’s custom USD runtime to Spatial Preview