objectToUndo	The object that was created.
name	The name of the action to undo. Think "Undo ...." in the main menu.

Register an undo operations for a newly created object.

When the undo is performed the object will be destroyed. All newly created objects that are part of undoable state should be registered with this function.

// Creates a new game object as an operation that can be undone
using UnityEditor;
using UnityEngine;
class CreateGameObjectMenu
{
	[MenuItem ("Example/Create GameObject")]
	static void CreateGameObject ()
	{
		GameObject go = new GameObject ("my GameObject");
		go.transform.position = new Vector3 (5, 5, 5);
		go.RegisterCreatedObject (go, "Create object");
	}
}

no example available in C#

no example available in Boo