did a minor tweak

Assets/Scripts/SpawnTrigger.cs

@@ -0,0 +1,41 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class SpawnTrigger : Trigger
+{
+    [SerializeField] float despawnTimer = 10f;
+    [SerializeField] GameObject entity;
+    [SerializeField] Vector2 startPos;
+    private GameObject clone;
+    private bool spawned;
+    [SerializeField] bool respawns = false;
+    [SerializeField] float respawnTime = 3f;
+    private float elapsed = 0f;
+
+ 
+ 
+ //And function itself
+     IEnumerator SpawnDespawn(){
+        clone = Instantiate(entity, startPos, Quaternion.identity);
+        clone.gameObject.SetActive(true);
+        yield return new WaitForSeconds(despawnTimer); 
+        Destroy(clone);
+        this.gameObject.SetActive(false);
+ }
+    public override void Action() {
+        if(!spawned && !respawns) {
+            Debug.Log("spawn");
+            StartCoroutine(SpawnDespawn());
+        }
+        else if(respawns) {
+            if(elapsed < respawnTime) {
+                elapsed = 0;
+                
+            StartCoroutine(SpawnDespawn());
+            }
+        }
+    }
+    // Start is called before the first frame update
+
+}