diff --git a/README.md b/README.md
index ed94764..400e9d7 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,14 @@ composer install
 chmod -R a+w vendor/mpdf/mpdf/tmp
 ```
 
+Setup some permissions
+
+```
+cd omeka/files
+mkdir docs
+chown www-data docs
+```
+
 ## LISENCE
 The module is released under the [MIT] License.
 
diff --git a/config/module.config.php b/config/module.config.php
index e6a5d7e..9607054 100644
--- a/config/module.config.php
+++ b/config/module.config.php
@@ -17,6 +17,13 @@ return [
             Form\TechDocumentBlockForm::class => Form\TechDocumentBlockForm::class,
         ],
     ],
+    /*
+    'media_ingesters' => [
+        'factories' => [
+            'TechDocument_media' => Service\Media\Ingester\TechDocumentMediaFactory::class,
+        ],
+    ],
+    */
     'DefaultSettings' => [
         'TechDocumentBlockForm' => [
           'wrapStyle' => 'overflow-y: hidden;display: flex;flex-direction: column;justify-content: center;',
diff --git a/src/Service/BlockLayout/TechDocumentFactory.php b/src/Service/BlockLayout/TechDocumentFactory.php
index c76b66d..2be88fc 100644
--- a/src/Service/BlockLayout/TechDocumentFactory.php
+++ b/src/Service/BlockLayout/TechDocumentFactory.php
@@ -11,8 +11,9 @@ class TechDocumentFactory implements FactoryInterface
 	{
 		return new TechDocument(
 			$services->get('FormElementManager'),
-			$services->get('Config')['DefaultSettings']['TechDocumentBlockForm']
+			$services->get('Config')['DefaultSettings']['TechDocumentBlockForm'],
+			$services->get('Config')['file_store']['local']['base_path'] ?: (OMEKA_PATH . '/files')
 		);
 	}
 }
-?>
\ No newline at end of file
+?>
diff --git a/src/Site/BlockLayout/TechDocument.php b/src/Site/BlockLayout/TechDocument.php
index ecd3ad9..f6721e6 100644
--- a/src/Site/BlockLayout/TechDocument.php
+++ b/src/Site/BlockLayout/TechDocument.php
@@ -1,15 +1,18 @@
 <?php
 namespace TechDocument\Site\BlockLayout;
 
-use Omeka\Api\Representation\SiteRepresentation;
-use Omeka\Api\Representation\SitePageRepresentation;
-use Omeka\Api\Representation\SitePageBlockRepresentation;
-use Omeka\Site\BlockLayout\AbstractBlockLayout;
 use Laminas\View\Renderer\PhpRenderer;
+use Omeka\Api\Representation\SitePageBlockRepresentation;
+use Omeka\Api\Representation\SitePageRepresentation;
+use Omeka\Api\Representation\SiteRepresentation;
+use Omeka\Entity\SitePageBlock;
+use Omeka\Site\BlockLayout\AbstractBlockLayout;
+use Omeka\Stdlib\ErrorStore;
 
 use Laminas\Form\FormElementManager;
 use TechDocument\Form\TechDocumentBlockForm;
 
+
 //require_once(dirname(__DIR__, 3) . '/vendor/erusev/parsedown/Parsedown.php');
 //require_once(dirname(__DIR__, 3) . '/vendor/mpdf/mpdf/src/Mpdf.php');
 require_once(dirname(__DIR__, 3) . '/vendor/autoload.php');
@@ -31,20 +34,43 @@ class TechDocument extends AbstractBlockLayout
      */
 	protected $defaultSettings = [];
 
+  protected $storage_dir = "";
+
     /**
      * @param FormElementManager $formElementManager
      * @param array $defaultSettings
      */
-    public function __construct(FormElementManager $formElementManager, array $defaultSettings)
+    public function __construct(FormElementManager $formElementManager,
+                                array $defaultSettings,
+                                string $storage_dir)
     {
         $this->formElementManager = $formElementManager;
         $this->defaultSettings = $defaultSettings;
+        $this->storage_dir = $storage_dir;
     }
 
 	public function getLabel() {
 		return 'Techical document';
 	}
 
+
+  public function onHydrate(SitePageBlock $block, ErrorStore $errorStore): void
+  {
+      $data = $block->getData();
+      $site_title = $block->getPage()->getSite()->getTitle();
+
+      $parsedown = new Parsedown();
+      $text = "# ".$site_title." ".$dir."\n";
+      $text .= "## Arc-hive technical documentation\n";
+      $text .= "### Characteristics\n";
+      $text .= $data['characteristics'];
+
+      $html = $parsedown->setBreaksEnabled(true)->text($text);
+      $mpdf = new \Mpdf\Mpdf();
+      $mpdf->WriteHTML($html);
+      $mpdf->Output($this->storage_dir.'/docs/'.$site_title.'.pdf', \Mpdf\Output\Destination::FILE);
+  }
+
 	public function form(PhpRenderer $view,
                        SiteRepresentation $site,
                        SitePageRepresentation $page = null,
@@ -69,17 +95,6 @@ class TechDocument extends AbstractBlockLayout
 
 	public function render(PhpRenderer $view, SitePageBlockRepresentation $block)
 	{
-    $parsedown = new Parsedown();
-    $text = "# Arc-hive technical documentation\n";
-    $text .= "## characteristics\n";
-    $text .= $block->dataValue('characteristics');
-
-    $html = $parsedown->text($text);
-    $mpdf = new \Mpdf\Mpdf();
-    $mpdf = $mpdf->WriteHTML($html);
-    $mpdf->Output();
-
-
-    return $html;
+    return "";
 	}
 }