diff --git a/examples/painting/whiteboard/whiteboardSpawner.js b/examples/painting/whiteboard/whiteboardSpawner.js
index f3005495ec..1d0f21c026 100644
--- a/examples/painting/whiteboard/whiteboardSpawner.js
+++ b/examples/painting/whiteboard/whiteboardSpawner.js
@@ -15,7 +15,7 @@
 /*global hexToRgb */
 
 Script.include("../../libraries/utils.js");
-var scriptURL = Script.resolvePath("whiteboardEntityScript.js");
+var scriptURL = Script.resolvePath("whiteboardEntityScript.js?v1" + Math.random());
 var modelURL = "https://s3.amazonaws.com/hifi-public/eric/models/whiteboard.fbx";
 
 var colorIndicatorBorderModelURL = "https://s3.amazonaws.com/hifi-public/eric/models/colorIndicatorBorder.fbx";
@@ -247,4 +247,4 @@ function cleanup() {
 
 
 // Uncomment this line to delete whiteboard and all associated entity on script close
-//Script.scriptEnding.connect(cleanup);
+Script.scriptEnding.connect(cleanup);
diff --git a/examples/rayPickingFilterExample.js b/examples/rayPickingFilterExample.js
new file mode 100644
index 0000000000..f434d21ab9
--- /dev/null
+++ b/examples/rayPickingFilterExample.js
@@ -0,0 +1,50 @@
+    var center = Vec3.sum(MyAvatar.position, Vec3.multiply(3, Quat.getFront(Camera.getOrientation())));
+
+    var whiteListBox = Entities.addEntity({
+        type: "Box",
+        color: {
+            red: 10,
+            green: 200,
+            blue: 10
+        },
+        dimensions: {
+            x: .2,
+            y: .2,
+            z: .2
+        },
+        position: center
+    });
+
+    var blackListBox = Entities.addEntity({
+        type: "Box",
+        color: {
+            red: 100,
+            green: 10,
+            blue: 10
+        },
+        dimensions: {
+            x: .2,
+            y: .2,
+            z: .2
+        },
+        position: Vec3.sum(center, {x: 0, y: .3, z: 0})
+    });
+
+
+    function castRay(event) {
+        var pickRay = Camera.computePickRay(event.x, event.y);
+        var pickResults = Entities.findRayIntersection(pickRay, true, [whiteListBox]);
+
+        if(pickResults.intersects) {
+            print("INTERSECTION");
+        }
+
+    }
+
+    function cleanup() {
+        Entities.deleteEntity(whiteListBox);
+        Entities.deleteEntity(blackListBox);
+    }
+
+    Script.scriptEnding.connect(cleanup);
+    Controller.mousePressEvent.connect(castRay);
\ No newline at end of file