smart-bow-infrared/Assets/ThirdAssets/SampleScenes/Scripts/LevelReset.cs

using System;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.SceneManagement;

public class LevelReset :MonoBehaviour , IPointerClickHandler
{
    public void OnPointerClick(PointerEventData data)
    {
        // reload the scene
        SceneManager.LoadScene(SceneManager.GetSceneAt(0).name);
    }
}