Node supporting finger tracking in OpenXR. This node enables OpenXR's hand tracking functionality. The node should be a child node of an [XROrigin3D] node, tracking will update its position to where the player's actual hand is positioned. This node also updates the skeleton of a properly skinned hand model. The hand mesh should be a child node of this node. Specifies whether this node tracks the left or right hand of the player. Set a [Skeleton3D] node for which the pose positions will be updated. Set the motion range (if supported) limiting the hand motion. Tracking the player's left hand. Tracking the player's right hand. Maximum supported hands. When player grips, hand skeleton will form a full fist. When player grips, hand skeleton conforms to the controller the player is holding. Maximum supported motion ranges.