Payload of TransformControlsEvents.onDragStart and TransformControlsEvents.onDragEnd.
The handle axis the drag is operating on. One of "X", "Y", "Z", "XY", "YZ", "XZ", "XYZ", "E", "XYZE".
"X"
"Y"
"Z"
"XY"
"YZ"
"XZ"
"XYZ"
"E"
"XYZE"
The active mode at the moment the drag event fires.
The active coordinate space at the moment the drag event fires.
Payload of TransformControlsEvents.onDragStart and TransformControlsEvents.onDragEnd.