diff --git a/core/src/avm2/globals/flash/events/TransformGestureEvent.as b/core/src/avm2/globals/flash/events/TransformGestureEvent.as
new file mode 100644
index 000000000..18a2c8d03
--- /dev/null
+++ b/core/src/avm2/globals/flash/events/TransformGestureEvent.as
@@ -0,0 +1,94 @@
+package flash.events
+{
+    public class TransformGestureEvent extends GestureEvent
+    {
+        public static const GESTURE_PAN : String = "gesturePan";
+        public static const GESTURE_ROTATE : String = "gestureRotate";
+        public static const GESTURE_SWIPE : String = "gestureSwipe";
+        public static const GESTURE_ZOOM : String = "gestureZoom";
+
+        private var _offsetX: Number;
+        private var _offsetY: Number;
+        private var _rotation: Number;
+        private var _scaleX: Number;
+        private var _scaleY: Number;
+        private var _velocity: Number;
+
+
+        public function TransformGestureEvent(type:String, bubbles:Boolean = true, cancelable:Boolean = false,
+                                              phase:String = null, localX:Number = 0, localY:Number = 0,
+                                              scaleX:Number = 1.0, scaleY:Number = 1.0,
+                                              rotation:Number = 0, offsetX:Number = 0, offsetY:Number = 0,
+                                              ctrlKey:Boolean = false, altKey:Boolean = false, shiftKey:Boolean = false,
+                                              controlKey:Boolean = false, velocity:Number = 0) {
+            super(type, bubbles, cancelable, phase, localX, localY, ctrlKey, altKey, shiftKey, controlKey);
+            this._offsetX = offsetX
+            this._offsetY = offsetY
+            this._rotation = rotation
+            this._scaleX = scaleX
+            this._scaleY = scaleY
+            this._velocity = velocity
+        }
+
+        override public function clone():Event {
+            return new TransformGestureEvent(this.type, this.bubbles, this.cancelable, this.phase,
+                                             this.localX, this.localY, this.scaleX, this.scaleY, this.rotation,
+                                             this.offsetX, this.offsetY, this.ctrlKey, this.altKey, this.shiftKey,
+                                             this.controlKey, this.velocity);
+        }
+
+        override public function toString():String
+        {
+            // should fail on FP too, see discussion https://github.com/ruffle-rs/ruffle/pull/12330
+            return this.formatToString("TransformGestureEvent","type","bubbles","cancelable","args");
+        }
+
+        public function get offsetX(): Number {
+            return this._offsetX;
+        }
+
+        public function set offsetX(value: Number): void {
+            this._offsetX = value;
+        }
+
+        public function get offsetY(): Number {
+            return this._offsetY;
+        }
+
+        public function set offsetY(value: Number): void {
+            this._offsetY = value;
+        }
+
+        public function get rotation(): Number {
+            return this._rotation;
+        }
+
+        public function set rotation(value: Number): void {
+            this._rotation = value;
+        }
+
+        public function get scaleX(): Number {
+            return this._scaleX;
+        }
+
+        public function set scaleX(value: Number): void {
+            this._scaleX = value;
+        }
+
+        public function get scaleY(): Number {
+            return this._scaleY;
+        }
+
+        public function set scaleY(value: Number): void {
+            this._scaleY = value;
+        }
+
+        public function get velocity(): Number {
+            return this._velocity;
+        }
+
+        public function set velocity(value: Number): void {
+            this._velocity = value;
+        }
+    }
+}
\ No newline at end of file
diff --git a/core/src/avm2/globals/globals.as b/core/src/avm2/globals/globals.as
index 050afca2e..905b60562 100644
--- a/core/src/avm2/globals/globals.as
+++ b/core/src/avm2/globals/globals.as
@@ -174,6 +174,7 @@ include "flash/events/ThrottleEvent.as"
 include "flash/events/ThrottleType.as"
 include "flash/events/TimerEvent.as"
 include "flash/events/TouchEvent.as"
+include "flash/events/TransformGestureEvent.as"
 include "flash/events/UncaughtErrorEvent.as"
 include "flash/events/UncaughtErrorEvents.as"
 include "flash/events/VideoEvent.as"