manipulationrotatereferenceframe - eisclimber/ExPresS-XR GitHub Wiki
Property in ScalingInteractionAttachController
The optional reference frame to define the rotation axes when the anchor is rotated when using manipulation input. When not set, vertical rotation (pitch) is around the local x-axis and horizontal rotation (yaw) is around the local y-axis of the anchor.
public Transform manipulationRotateReferenceFrame { get; set; }