| id | The identifier of the WorldAnchor to load. |
| go | The object to attach the WorldAnchor to if found. |
WorldAnchor The WorldAnchor loaded by the identifier or null if not found.
Loads a WorldAnchor from disk for given identifier and attaches it to the GameObject. If the GameObject has a WorldAnchor, that WorldAnchor will be updated. If the anchor is not found, null will be returned and the GameObject and any existing WorldAnchor attached to it will not be modified.