from github

Assets/Scripts/Classroom/OBJScaler.cs

@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+
+//this script attaches a listener function to a object to keep track of scaling functionallity
+
+public class OBJScaler : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        XRGrabInteractable xRGrabInteractable = GetComponent<XRGrabInteractable>();
+        xRGrabInteractable.onSelectEntered.AddListener((baseInteractor) => { GameObject.Find("ObjectSpawner").GetComponent<OBJGrabListener>().onGrab(gameObject); });
+    }
+
+}