DropDownTreeChangeEvent

Represents the object of the onChange DropDownTree event.

Name	Type	Default	Description
level	number[]		The hierarchical index path to the selected item.
nativeEvent	Event		A native DOM event.
syntheticEvent	SyntheticEvent<HTMLElement>		A React SyntheticEvent.
target	DropDownTreeHandle		An event target.
value	any		The current value of the component.