Version: 2017.2
public static SceneManagement.Scene OpenScene (string scenePath, SceneManagement.OpenSceneMode mode= OpenSceneMode.Single);

Parameters

scenePath The path of the Scene. This should be relative to the Project folder; for example, "Assets/MyScenes/MyScene.unity".
mode Allows you to select how to open the specified Scene, and whether to keep existing Scenes in the Hierarchy. See OpenSceneMode for more information about the options.

Returns

Scene A reference to the opened Scene.

Description

Open a Scene in the Editor.

Use this function to open Scenes in the Hierarchy while in the Editor. This is useful for making custom Editor scripts, tools, or menu items. It is not intended to be used for loading Scenes at run time. To load Scenes at run time, see SceneManager.LoadScene.