Unity - Scripting API: EventSystems.ExecuteEvents.ExecuteHierarchy

public static function ExecuteHierarchy(root: GameObject, eventData: BaseEventData, callbackFunction: EventFunction<T>): GameObject;

public static GameObject ExecuteHierarchy(GameObject root, BaseEventData eventData, EventFunction<T> callbackFunction);

public static def ExecuteHierarchy(root as GameObject, eventData as BaseEventData, callbackFunction as EventFunction<T>) as GameObject

Parameters

root	Start GameObject.
eventData	Data associated with the Executing event.
callbackFunction	Function to execute on the gameObject components.

GameObject GameObject that handled the event.

Recurse up the hierarcy calling Execute<T> untill there is a GameObject that can handle the event.