diff --git a/h5p.classes.php b/h5p.classes.php
index 681cb23..62f3011 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -1606,7 +1606,7 @@ class H5PCore {
 
   public static $coreApi = array(
     'majorVersion' => 1,
-    'minorVersion' => 4
+    'minorVersion' => 5
   );
   public static $styles = array(
     'styles/h5p.css',
@@ -2749,13 +2749,13 @@ class H5PContentValidator {
       'type' => 'group',
       'fields' => $library['semantics'],
     ), FALSE);
-    $validkeys = array('library', 'params', 'uuid');
+    $validkeys = array('library', 'params', 'subContentId');
     if (isset($semantics->extraAttributes)) {
       $validkeys = array_merge($validkeys, $semantics->extraAttributes);
     }
     $this->filterParams($value, $validkeys);
-    if (isset($value->uuid) && ! preg_match('/^\{?[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}\}?$/', $value->uuid)) {
-      unset($value->uuid);
+    if (isset($value->subContentId) && ! preg_match('/^\{?[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}\}?$/', $value->subContentId)) {
+      unset($value->subContentId);
     }
 
     // Find all dependencies for this library
diff --git a/js/h5p-event-dispatcher.js b/js/h5p-event-dispatcher.js
index d67ee10..1d52ef7 100644
--- a/js/h5p-event-dispatcher.js
+++ b/js/h5p-event-dispatcher.js
@@ -9,18 +9,55 @@ H5P.Event = function(type, data, extras) {
   this.type = type;
   this.data = data;
   var bubbles = false;
+  
+  // Is this an external event?
+  var external = false;
+  
+  // Is this event scheduled to be sent externally?
+  var scheduledForExternal = false;
+  
   if (extras === undefined) {
     extras = {};
   }
   if (extras.bubbles === true) {
     bubbles = true;
   }
+  if (extras.external === true) {
+    external = true;
+  }
+  
+  /**
+   * Prevent this event from bubbling up to parent
+   * 
+   * @returns {undefined}
+   */
   this.preventBubbling = function() {
     bubbles = false;
   };
+  
+  /**
+   * Get bubbling status
+   * 
+   * @returns {Boolean} - true if bubbling false otherwise
+   */
   this.getBubbles = function() {
     return bubbles;
   };
+  
+  /**
+   * Try to schedule an event for externalDispatcher
+   * 
+   * @returns {Boolean}
+   *  - true if external and not already scheduled
+   *  - false otherwise
+   */
+  this.scheduleForExternal = function() {
+    if (external && !scheduledForExternal) {
+      scheduledForExternal = true;
+      return true;
+    }
+    return false;
+  };
 };
 
 H5P.EventDispatcher = (function () {
@@ -144,27 +181,42 @@ H5P.EventDispatcher = (function () {
      *  Custom event data(used when event type as string is used as first
      *  argument
      */
-    this.trigger = function (event, eventData) {
+    this.trigger = function (event, eventData, extras) {
       if (event === undefined) {
         return;
       }
       if (typeof event === 'string') {
-        event = new H5P.Event(event, eventData);
+        event = new H5P.Event(event, eventData, extras);
       }
       else if (eventData !== undefined) {
         event.data = eventData;
       }
-      if (triggers[event.type] === undefined) {
-        return;
+     
+      // Check to see if this event should go externally after all triggering and bubbling is done
+      var scheduledForExternal = event.scheduleForExternal();
+      
+      if (triggers[event.type] !== undefined) {
+        // Call all listeners
+        for (var i = 0; i < triggers[event.type].length; i++) {
+          triggers[event.type][i].listener.call(triggers[event.type][i].thisArg, event);
+        }
       }
-      // Call all listeners
-      for (var i = 0; i < triggers[event.type].length; i++) {
-        triggers[event.type][i].listener.call(triggers[event.type][i].thisArg, event);
+      
+      if (triggers['*'] !== undefined) {
+        // Call all * listeners
+        for (var i = 0; i < triggers['*'].length; i++) {
+          triggers['*'][i].listener.call(triggers['*'][i].thisArg, event);
+        }
       }
+      
       // Bubble
       if (event.getBubbles() && self.parent instanceof H5P.EventDispatcher && typeof self.parent.trigger === 'function') {
         self.parent.trigger(event);
-      } 
+      }
+      
+      if (scheduledForExternal) {
+        H5P.externalDispatcher.trigger(event);
+      }
     };
   }
 
diff --git a/js/h5p-x-api-event.js b/js/h5p-x-api-event.js
index 9b30675..a8513a4 100644
--- a/js/h5p-x-api-event.js
+++ b/js/h5p-x-api-event.js
@@ -6,7 +6,7 @@ var H5P = H5P || {};
  * @class
  */
 H5P.XAPIEvent = function() {
-  H5P.Event.call(this, 'xAPI', {'statement': {}}, {bubbles: true});
+  H5P.Event.call(this, 'xAPI', {'statement': {}}, {bubbles: true, external: true});
 };
 
 H5P.XAPIEvent.prototype = Object.create(H5P.Event.prototype);
@@ -87,8 +87,8 @@ H5P.XAPIEvent.prototype.setObject = function(instance) {
         }
       }
     };
-    if (instance.uuid) {
-      this.data.statement.object.definition.extensions['http://h5p.org/x-api/h5p-uuid'] = instance.uuid;
+    if (instance.subContentId) {
+      this.data.statement.object.definition.extensions['http://h5p.org/x-api/h5p-subContentId'] = instance.subContentId;
       // Don't set titles on main content, title should come from publishing platform
       if (typeof instance.getH5PTitle === 'function') {
         this.data.statement.object.definition.name = {
@@ -112,8 +112,8 @@ H5P.XAPIEvent.prototype.setObject = function(instance) {
  * @param {object} instance - the H5P instance
  */
 H5P.XAPIEvent.prototype.setContext = function(instance) {
-  if (instance.parent && (instance.parent.contentId || instance.parent.uuid)) {
-    var parentId = instance.parent.uuid === undefined ? instance.parent.contentId : instance.parent.uuid;
+  if (instance.parent && (instance.parent.contentId || instance.parent.subContentId)) {
+    var parentId = instance.parent.subContentId === undefined ? instance.parent.contentId : instance.parent.subContentId;
     this.data.statement.context = {
       "contextActivities": {
         "parent": [
@@ -179,8 +179,8 @@ H5P.XAPIEvent.prototype.getContentXAPIId = function (instance) {
   var xAPIId;
   if (instance.contentId && H5PIntegration && H5PIntegration.contents) {
     xAPIId =  H5PIntegration.contents['cid-' + instance.contentId].url;
-    if (instance.uuid) {
-      xAPIId += '?uuid=' +  instance.uuid;
+    if (instance.subContentId) {
+      xAPIId += '?subContentId=' +  instance.subContentId;
     }
   }
   return xAPIId;
diff --git a/js/h5p-x-api.js b/js/h5p-x-api.js
index 9d0e7cd..fa5e51a 100644
--- a/js/h5p-x-api.js
+++ b/js/h5p-x-api.js
@@ -4,7 +4,7 @@ var H5P = H5P || {};
 H5P.externalDispatcher = new H5P.EventDispatcher();
 
 if (H5P.isFramed && H5P.externalEmbed !== true) {
-  H5P.externalDispatcher.on('xAPI', window.top.H5P.externalDispatcher.trigger);
+  H5P.externalDispatcher.on('*', window.top.H5P.externalDispatcher.trigger);
 }
 
 // EventDispatcher extensions