smart-bow-infrared/Assets/BowArrow/Modules/NewUserGuider/NewUserGuiderButton.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;

public class NewUserGuiderButton : MonoBehaviour, IPointerUpHandler
{
    public Action onClick;

    public void OnPointerUp(PointerEventData eventData) {
        RectTransform target = GetComponent<HollowOutMask>().GetTarget();
        bool hit = RectTransformUtility.RectangleContainsScreenPoint(target, eventData.position);
        if (hit) {
            onClick.Invoke();
        }
    }
}