# ARAnchorExtensions

Extensions to AR Foundation's `ARAnchor` class.

## Summary

|                                                                                                    ### Public static functions                                                                                                     ||
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------|
| [GetPersistentId](https://developer.android.com/develop/xr/unity/reference/class/Google/XR/Extensions/ARAnchorExtensions#getpersistentid)`(this ARAnchor anchor)` | `Guid` Gets the persistent id associated with the given anchor. |

## Public static functions

### GetPersistentId

```c#
Guid GetPersistentId(
  this ARAnchor anchor
)
```  
Gets the persistent id associated with the given anchor.

It can be used in ARAnchorManagerExtensions.TryLoad(ARAnchorManager, Guid) to retrieve the anchor across multiple sessions. If it's not a persisted anchor returns `Guid.Empty`.


|                                         Details                                          ||
|-------------|-----------------------------------------------------------------------------|
| Parameters  | |----------|------------------------| | `anchor` | The ARAnchor instance. | |
| **Returns** | Returns the persistent id associated with the anchor.                       |