Add unity event

Assets/Scripts/TriggerZone.cs

@@ -1,6 +1,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.Events;
 
 public class TriggerZone : MonoBehaviour
 {
@@ -8,11 +9,15 @@ public class TriggerZone : MonoBehaviour
     private Triggerable linkedObj;
     [SerializeField]
     private bool onEnter = true, onStay = false, OnExit = false;
+    public UnityEvent enterEvent;
+    public UnityEvent stayEvent;
+    public UnityEvent exitEvent;
     // Start is called before the first frame update
     private void OnTriggerEnter(Collider other) {
         if(!onEnter)return;
         if(other.gameObject.tag.Equals("Player")){
             linkedObj.TriggerEvent();
+            enterEvent?.Invoke();
         }
     }
 
@@ -20,6 +25,7 @@ public class TriggerZone : MonoBehaviour
         if(!onStay)return;
         if(other.gameObject.tag.Equals("Player")){
             linkedObj.TriggerEvent();
+            stayEvent?.Invoke();
         }
     }
 
@@ -27,6 +33,7 @@ public class TriggerZone : MonoBehaviour
         if(!OnExit)return;
         if(other.gameObject.tag.Equals("Player")){
             linkedObj.TriggerEvent();
+            exitEvent?.Invoke();
         }
     }
 }