diff --git a/front/src/Api/Events/ButtonClickedEvent.ts b/front/src/Api/Events/ButtonClickedEvent.ts
new file mode 100644
index 00000000..de807037
--- /dev/null
+++ b/front/src/Api/Events/ButtonClickedEvent.ts
@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isButtonClickedEvent =
+    new tg.IsInterface().withProperties({
+        popupId: tg.isNumber,
+        buttonId: tg.isNumber,
+    }).get();
+/**
+ * A message sent from the game to the iFrame when a user enters or leaves a zone marked with the "zone" property.
+ */
+export type ButtonClickedEvent = tg.GuardedType<typeof isButtonClickedEvent>;
diff --git a/front/src/Api/Events/OpenPopupEvent.ts b/front/src/Api/Events/OpenPopupEvent.ts
index bbfc12bf..55df8a40 100644
--- a/front/src/Api/Events/OpenPopupEvent.ts
+++ b/front/src/Api/Events/OpenPopupEvent.ts
@@ -6,14 +6,13 @@ const isButtonDescriptor =
         className: tg.isOptional(tg.isString),
         closeOnClick: tg.isOptional(tg.isBoolean)
     }).get();
-type ButtonDescriptor = tg.GuardedType<typeof isButtonDescriptor>;
 
 export const isOpenPopupEvent =
     new tg.IsInterface().withProperties({
         popupId: tg.isNumber,
         targetObject: tg.isString,
         message: tg.isString,
-        buttons: tg.isAny //tg.isArray<ButtonDescriptor>,
+        buttons: tg.isArray(isButtonDescriptor)
     }).get();
 
 /**
diff --git a/front/src/Api/IframeListener.ts b/front/src/Api/IframeListener.ts
index 1a6a0ea7..f55a70bd 100644
--- a/front/src/Api/IframeListener.ts
+++ b/front/src/Api/IframeListener.ts
@@ -6,6 +6,7 @@ import * as crypto from "crypto";
 import {HtmlUtils} from "../WebRtc/HtmlUtils";
 import {EnterLeaveEvent} from "./Events/EnterLeaveEvent";
 import {isOpenPopupEvent, OpenPopupEvent} from "./Events/OpenPopupEvent";
+import {ButtonClickedEvent} from "./Events/ButtonClickedEvent";
 
 
 
@@ -40,13 +41,10 @@ class IframeListener {
             }
 
             const payload = message.data;
-            console.log('FOO');
             if (isIframeEventWrapper(payload)) {
-                console.log('FOOBAR', payload);
                 if (payload.type === 'chat' && isChatEvent(payload.data)) {
                     this._chatStream.next(payload.data);
                 } else if (payload.type === 'openPopup' && isOpenPopupEvent(payload.data)) {
-                    console.log('OPENPOPUP called');
                     this._openPopupStream.next(payload.data);
                 }
             }
@@ -158,6 +156,16 @@ class IframeListener {
         });
     }
 
+    sendButtonClickedEvent(popupId: number, buttonId: number): void {
+        this.postMessage({
+            'type': 'buttonClickedEvent',
+            'data': {
+                popupId,
+                buttonId
+            } as ButtonClickedEvent
+        });
+    }
+
     /**
      * Sends the message... to all allowed iframes.
      */
@@ -166,6 +174,7 @@ class IframeListener {
             iframe.contentWindow?.postMessage(message, '*');
         }
     }
+
 }
 
 export const iframeListener = new IframeListener();
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index 0a953363..0a422ff8 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -273,7 +273,8 @@ export class GameScene extends ResizableScene implements CenterListener {
                     break;
                 }
                 default:
-                    throw new Error('Unsupported object type: "'+ itemType +'"');
+                    continue;
+                    //throw new Error('Unsupported object type: "'+ itemType +'"');
             }
 
             itemFactory.preload(this.load);
@@ -747,10 +748,27 @@ export class GameScene extends ResizableScene implements CenterListener {
             let html = `<div class="nes-container with-title is-centered">
 ${escapedMessage}
 </div>`;
+            let id = 0;
+            for (const button of openPopupEvent.buttons) {
+                html += `<button type="button" class="nes-btn is-${HtmlUtils.escapeHtml(button.className ?? '')}" id="popup-${openPopupEvent.popupId}-${id}">${HtmlUtils.escapeHtml(button.label)}</button>`;
+                id++;
+            }
 
             const domElement = this.add.dom(150, 150).createFromHTML(html);
             domElement.scale = 0;
             domElement.setClassName('popUpElement');
+
+            id = 0;
+            for (const button of openPopupEvent.buttons) {
+                const button = HtmlUtils.getElementByIdOrFail<HTMLButtonElement>(`popup-${openPopupEvent.popupId}-${id}`);
+                const btnId = id;
+                button.onclick = () => {
+                    iframeListener.sendButtonClickedEvent(openPopupEvent.popupId, btnId);
+                    console.log('BUTTON CLICKED', btnId);
+                }
+                id++;
+            }
+
             this.tweens.add({
                 targets     : domElement ,
                 scale       : 1,
diff --git a/front/src/iframe_api.ts b/front/src/iframe_api.ts
index c5e5e604..e72093e6 100644
--- a/front/src/iframe_api.ts
+++ b/front/src/iframe_api.ts
@@ -4,6 +4,7 @@ import {isUserInputChatEvent, UserInputChatEvent} from "./Api/Events/UserInputCh
 import {Subject} from "rxjs";
 import {EnterLeaveEvent, isEnterLeaveEvent} from "./Api/Events/EnterLeaveEvent";
 import {OpenPopupEvent} from "./Api/Events/OpenPopupEvent";
+import {isButtonClickedEvent} from "./Api/Events/ButtonClickedEvent";
 
 interface WorkAdventureApi {
     sendChatMessage(message: string, author: string): void;
@@ -23,6 +24,8 @@ type ChatMessageCallback = (message: string) => void;
 const userInputChatStream: Subject<UserInputChatEvent> = new Subject();
 const enterStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
 const leaveStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
+const popupCallbacks: Map<number, Map<number, () => void>> = new Map<number, Map<number, () => void>>();
+
 let popupId = 0;
 interface ButtonDescriptor {
     /**
@@ -120,6 +123,11 @@ window.addEventListener('message', message => {
             enterStreams.get(payloadData.name)?.next();
         } else if (payload.type === 'leaveEvent' && isEnterLeaveEvent(payloadData)) {
             leaveStreams.get(payloadData.name)?.next();
+        } else if (payload.type === 'buttonClickedEvent' && isButtonClickedEvent(payloadData)) {
+            const callback = popupCallbacks.get(payloadData.popupId)?.get(payloadData.buttonId);
+            if (callback) {
+                callback();
+            }
         }
     }