# SpatialEntities

## Summary

| ### Typedefs ||
|---|---|
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#constants` | typedef `Internal.ApiConstants` |
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#spatialboundingboxprovider` | using `SpatialBoundingBoxSubsystem.SpatialEntityProvider` |
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#spatialshareableanchorprovider` | using `SpatialShareableAnchorSubsystem.SpatialEntityProvider` |
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#xrspatialcontextext` | typedef `System.UInt64` |
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#xrspatialpersistencecontextext` | using `System.UInt64` |
| `https://developer.android.com/develop/xr/unity/reference/namespace/Google/XR/Extensions/SpatialEntities#xrspatialsnapshotext` | typedef `System.UInt64` |

| ### Classes ||
|---|---|
| [Google.XR.Extensions.SpatialEntities.SpatialBoundingBoxFeature](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/SpatialEntities/SpatialBoundingBoxFeature) | Spatial entity feature to enable AR Foundation Bounding Box support. |
| [Google.XR.Extensions.SpatialEntities.SpatialBoundingBoxSubsystem](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/SpatialEntities/SpatialBoundingBoxSubsystem) | The spatial entity implementation of the XRBoundingBoxSubsystem. |
| [Google.XR.Extensions.SpatialEntities.SpatialShareableAnchorFeature](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/SpatialEntities/SpatialShareableAnchorFeature) | Enables AR Foundation shareable anchor support via OpenXR Spatial Entities extensions. |
| [Google.XR.Extensions.SpatialEntities.SpatialShareableAnchorSubsystem](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/SpatialEntities/SpatialShareableAnchorSubsystem) | The spatial entity implementation of the [XRShareableAnchorSubsystem](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/ARSubsystems/XRShareableAnchorSubsystem#xrshareableanchorsubsystem). |

## Typedefs

### Constants

```c#
Internal.ApiConstants Constants
```

### SpatialBoundingBoxProvider

```c#
SpatialBoundingBoxSubsystem.SpatialEntityProvider SpatialBoundingBoxProvider
```

### SpatialShareableAnchorProvider

```c#
SpatialShareableAnchorSubsystem.SpatialEntityProvider SpatialShareableAnchorProvider
```

### XrSpatialContextEXT

```c#
System.UInt64 XrSpatialContextEXT
```

### XrSpatialPersistenceContextEXT

```c#
System.UInt64 XrSpatialPersistenceContextEXT
```

### XrSpatialSnapshotEXT

```c#
System.UInt64 XrSpatialSnapshotEXT
```