diff --git a/system/typemill/Controllers/ControllerApiAuthorArticle.php b/system/typemill/Controllers/ControllerApiAuthorArticle.php
index 02c9258..09de9fe 100644
--- a/system/typemill/Controllers/ControllerApiAuthorArticle.php
+++ b/system/typemill/Controllers/ControllerApiAuthorArticle.php
@@ -255,15 +255,13 @@ class ControllerApiAuthorArticle extends Controller
 
 	    # save draft content
 		$content 			= new Content($urlinfo['baseurl'], $this->settings, $this->c->get('dispatcher'));
+		$oldMarkdown  		= $content->getDraftMarkdown($item);
 		$markdown 			= $params['title'] . PHP_EOL . PHP_EOL . $params['body'];
 		$markdownArray 		= $content->markdownTextToArray($markdown);
 		$content->saveDraftMarkdown($item, $markdownArray);
 
-		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($markdown), 'onPageUpdated');
-
 		$naviFileName 		= $navigation->getNaviFileNameForPath($item->path);
 	    $navigation->clearNavigation([$naviFileName]);
-
 		$draftNavigation 	= $navigation->getFullDraftNavigation($urlinfo, $this->settings['langattr']);
 		$draftNavigation 	= $navigation->setActiveNaviItemsWithKeyPath($draftNavigation, $item->keyPathArray);
 		$item 				= $navigation->getItemWithKeyPath($draftNavigation, $item->keyPathArray);
@@ -272,6 +270,14 @@ class ControllerApiAuthorArticle extends Controller
 		$draftMarkdown  	= $content->getDraftMarkdown($item);
 		$draftMarkdownHtml	= $content->addDraftHtml($draftMarkdown);
 
+		$onPageUpdated = [
+			'oldMarkdown'		=> $content->markdownArrayToText($oldMarkdown),
+			'newMarkdown'		=> $content->markdownArrayToText($draftMarkdown),
+			'username'			=> $request->getAttribute('c_username'),
+			'item'				=> $item,
+		];
+		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($onPageUpdated), 'onPageUpdated');
+
 		$response->getBody()->write(json_encode([
 			'item'			=> $item,
 			'navigation'	=> $draftNavigation,
diff --git a/system/typemill/Controllers/ControllerApiAuthorBlock.php b/system/typemill/Controllers/ControllerApiAuthorBlock.php
index 96d11f7..a6a3ed7 100644
--- a/system/typemill/Controllers/ControllerApiAuthorBlock.php
+++ b/system/typemill/Controllers/ControllerApiAuthorBlock.php
@@ -62,6 +62,7 @@ class ControllerApiAuthorBlock extends Controller
 
 		$content 			= new Content($urlinfo['baseurl'], $this->settings, $this->c->get('dispatcher'));
 		$draftMarkdown  	= $content->getDraftMarkdown($item);
+		$oldMarkdown 		= $draftMarkdown;
 
 		# if it is a new content-block
 		if($params['block_id'] > 9999)
@@ -97,11 +98,16 @@ class ControllerApiAuthorBlock extends Controller
 			return $response->withHeader('Content-Type', 'application/json')->withStatus(500);
 		}
 
-		$markdown = $content->markdownArrayToText($draftMarkdown);
-		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($markdown), 'onPageUpdated');
-
 		$draftMarkdownHtml	= $content->addDraftHtml($draftMarkdown);
 
+		$onPageUpdated = [
+			'oldMarkdown'		=> $content->markdownArrayToText($oldMarkdown),
+			'newMarkdown'		=> $content->markdownArrayToText($draftMarkdown),
+			'username'			=> $request->getAttribute('c_username'),
+			'item'				=> $item,
+		];
+		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($onPageUpdated), 'onPageUpdated');
+
 		# if it was published before, then we need to refresh the navigation
 		if($item->status == 'published')
 		{
@@ -178,6 +184,7 @@ class ControllerApiAuthorBlock extends Controller
 		$content 			= new Content($urlinfo['baseurl'], $this->settings, $this->c->get('dispatcher'));
 
 		$draftMarkdown  	= $content->getDraftMarkdown($item);
+		$oldMarkdown 		= $draftMarkdown;
 
 		if(!isset($draftMarkdown[$params['index_old']]))
 		{
@@ -201,11 +208,16 @@ class ControllerApiAuthorBlock extends Controller
 			return $response->withHeader('Content-Type', 'application/json')->withStatus(500);
 		}
 
-		$markdown = $content->markdownArrayToText($draftMarkdown);
-		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($markdown), 'onPageUpdated');
-
 		$draftMarkdownHtml	= $content->addDraftHtml($draftMarkdown);
 
+		$onPageUpdated = [
+			'oldMarkdown'		=> $content->markdownArrayToText($oldMarkdown),
+			'newMarkdown'		=> $content->markdownArrayToText($draftMarkdown),
+			'username'			=> $request->getAttribute('c_username'),
+			'item'				=> $item,
+		];
+		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($onPageUpdated), 'onPageUpdated');
+
 		# if it was published before, then we need to refresh the navigation
 		if($item->status == 'published')
 		{
@@ -282,6 +294,7 @@ class ControllerApiAuthorBlock extends Controller
 		$content 			= new Content($urlinfo['baseurl'], $this->settings, $this->c->get('dispatcher'));
 
 		$draftMarkdown  	= $content->getDraftMarkdown($item);
+		$oldMarkdown 		= $draftMarkdown;
 
 		if(!isset($draftMarkdown[$params['block_id']]))
 		{
@@ -318,11 +331,16 @@ class ControllerApiAuthorBlock extends Controller
 			return $response->withHeader('Content-Type', 'application/json')->withStatus(500);
 		}
 
-		$markdown = $content->markdownArrayToText($draftMarkdown);
-		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($markdown), 'onPageUpdated');
-
 		$draftMarkdownHtml	= $content->addDraftHtml($draftMarkdown);
 
+		$onPageUpdated = [
+			'oldMarkdown'		=> $content->markdownArrayToText($oldMarkdown),
+			'newMarkdown'		=> $content->markdownArrayToText($draftMarkdown),
+			'username'			=> $request->getAttribute('c_username'),
+			'item'				=> $item,
+		];
+		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($onPageUpdated), 'onPageUpdated');
+
 		# if it was published before, then we need to refresh the navigation
 		if($item->status == 'published')
 		{
@@ -399,6 +417,7 @@ class ControllerApiAuthorBlock extends Controller
 		$content 			= new Content($urlinfo['baseurl'], $this->settings, $this->c->get('dispatcher'));
 
 		$draftMarkdown  	= $content->getDraftMarkdown($item);
+		$oldMarkdown 		= $draftMarkdown;
 
 		# check if id exists
 		if(!isset($draftMarkdown[$params['block_id']]))
@@ -426,11 +445,16 @@ class ControllerApiAuthorBlock extends Controller
 			return $response->withHeader('Content-Type', 'application/json')->withStatus(500);
 		}
 
-		$markdown = $content->markdownArrayToText($draftMarkdown);
-		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($markdown), 'onPageUpdated');
-
 		$draftMarkdownHtml	= $content->addDraftHtml($draftMarkdown);
 
+		$onPageUpdated = [
+			'oldMarkdown'		=> $content->markdownArrayToText($oldMarkdown),
+			'newMarkdown'		=> $content->markdownArrayToText($draftMarkdown),
+			'username'			=> $request->getAttribute('c_username'),
+			'item'				=> $item,
+		];
+		$this->c->get('dispatcher')->dispatch(new OnPageUpdated($onPageUpdated), 'onPageUpdated');
+
 		# if it was published before, then we need to refresh the navigation
 		if($item->status == 'published')
 		{