EditorApplication.ExecuteMenuItem 执行菜单项

// Simple script that lets you create a new
// scene, create a cube and an empty game object in the scene
//简单的脚本, 可以让你新建一个新的场景, 新建一个立方体和场景中的一个空物体
// Save the scene and close the editor
//保存场景并且关闭编辑器

import UnityEditor;

@MenuItem ("Example/Chain Actions and close")
static function Chain() {
	EditorApplication.NewScene();

	EditorApplication.ExecuteMenuItem("GameObject/Create Other/Cube");
	EditorApplication.ExecuteMenuItem("GameObject/Create Empty");

	EditorApplication.SaveScene("Assets/MyNewScene.unity");
	EditorApplication.Exit(0);
}