private static void _anchor_added(UnityARAnchorData anchor)
{
if (UnityARSessionNativeInterface.ARAnchorAddedEvent != null)
{
ARPlaneAnchor planeAnchorFromAnchorData = GetPlaneAnchorFromAnchorData(anchor);
UnityARSessionNativeInterface.ARAnchorAddedEvent(planeAnchorFromAnchorData);
}
}