created an event controller.

Assets/Scripts/Events/EventController.cs

@@ -0,0 +1,11 @@
+using System;
+
+public class EventController
+{
+    public Action baseEvent;
+
+    public void AddListener(Action listener) => baseEvent += listener;
+    public void RemoveListener(Action listener) => baseEvent -= listener;
+
+    public void InvokeEvent() => baseEvent?.Invoke();
+}

Assets/Scripts/Interactables/LightSwitchView.cs

@@ -7,15 +7,15 @@ public class LightSwitchView : MonoBehaviour, IInteractable
 {
     [SerializeField] private List<Light> lightsources = new List<Light>();
     private SwitchState currentState;
-    public static event Action OnLightSwitchToggled;
+    //public static event Action OnLightSwitchToggled;
 
-    private void OnEnable() => OnLightSwitchToggled += onLightSwitch;
+    private void OnEnable() => EventService.Instance.OnLightSwitchToggled.AddListener(onLightSwitch);
 
-    private void OnDisable() => OnLightSwitchToggled -= onLightSwitch;
+    private void OnDisable() => EventService.Instance.OnLightSwitchToggled.RemoveListener(onLightSwitch);
 
     private void Start() => currentState = SwitchState.Off;
 
-    public void Interact() => OnLightSwitchToggled?.Invoke();
+    public void Interact() => EventService.Instance.OnLightSwitchToggled.InvokeEvent();
 
     private void toggleLights()
     {

Assets/Scripts/Player/PlayerController.cs

@@ -25,13 +25,13 @@ public PlayerController(PlayerView playerView, PlayerScriptableObject playerScri
 
         this.playerScriptableObject = playerScriptableObject;
         this.playerScriptableObject.KeysEquipped = 0;
-        LightSwitchView.OnLightSwitchToggled += onLightSwitch;
+        EventService.Instance.OnLightSwitchToggled.AddListener(onLightSwitch);
         playerState = PlayerState.InDark;
     }
 
     ~PlayerController()
     {
-        LightSwitchView.OnLightSwitchToggled -= onLightSwitch;
+        EventService.Instance.OnLightSwitchToggled.RemoveListener(onLightSwitch);
     }
     public void Interact() => IsInteracted = Input.GetKeyDown(KeyCode.E) ? true : (Input.GetKeyUp(KeyCode.E) ? false : IsInteracted);
 

Assets/Scripts/Service/EventService.cs

@@ -0,0 +1,24 @@
+
+public class EventService
+{
+    private static EventService instance;
+    public static EventService Instance
+    {
+        get
+        {
+            if(instance == null)
+            {
+                instance = new EventService();
+            }
+
+            return instance;
+        }
+    }
+
+    public EventController OnLightSwitchToggled { get; private set; }
+
+    public EventService()
+    {
+        OnLightSwitchToggled = new EventController();
+    }
+}