Radio event system for Unity

EventChannel.cs

using System.Collections.Generic;
using UnityEngine;

namespace Framework.EventSystem
{
    [CreateAssetMenu(menuName="EventChannel", fileName="EventChannel_")]
    public class EventChannel : ScriptableObject
    {
        [SerializeField] private List<EventListener> listeners = new();

        public void Raise(object data = null)
        {
            for (int i = listeners.Count -1; i >= 0; i--)
            {
                listeners[i].OnEventRaised(data);
            }
        }

        public void RegisterListener(EventListener listener)
        {
            if (!listeners.Contains(listener))
                listeners.Add(listener);
        }

        public void UnregisterListener(EventListener listener)
        {
            if (listeners.Contains(listener))
                listeners.Remove(listener);
        }

    }
}

EventListener.cs

using UnityEngine;
using UnityEngine.Events;

namespace Framework.EventSystem
{
    [System.Serializable]
    public class EventResponse : UnityEvent<object> {}

    public class EventListener : MonoBehaviour
    {
        [Tooltip("Channel to listen to.")]
        public EventChannel listenedChannel;

        [Tooltip("Response to invoke when an event is raised.")]
        public EventResponse response;

        private void OnEnable()
        {
            listenedChannel.RegisterListener(this);
        }

        private void OnDisable()
        {
            listenedChannel.UnregisterListener(this);
        }

        public void OnEventRaised(object data)
        {
            response.Invoke(data);
        }
    }
}