how to reset a scene in unity code example

Example 1: unity reset scene

//for unity c#
using UnityEngine.SceneManagement;
...
SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);

Example 2: Unity c# how to restart the level

void RestartLevel() //Restarts the level
{
  	SceneManager.LoadScene(SceneManager.GetActiveScene().name); 
}