Aetheria/Assets/Scripts/UI/ClickableCollider.cs

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

public class ClickableCollider : MonoBehaviour
{
    public event Action<ClickableCollider, PointerEventData> OnClick;

    public void Click(PointerEventData eventData) => OnClick?.Invoke(this, eventData);

    public void Clear()
    {
        OnClick = null;
    }

    void Start()
    {
        var proto = GetComponent<Prototype>();
        if(proto != null)
            proto.OnReturnToPool += () => OnClick = null;
    }
}