diff --git a/source/modules/d3/pdfdocuments/src/Modules/Application/Model/albatros.php b/source/modules/d3/pdfdocuments/src/Modules/Application/Model/albatros.php
new file mode 100644
index 0000000..06c4cb8
--- /dev/null
+++ b/source/modules/d3/pdfdocuments/src/Modules/Application/Model/albatros.php
@@ -0,0 +1,10 @@
+<?php
+namespace D3\PdfDocuments\Modules\Application\Model;
+
+interface albatros{
+  public function setFilename($sContent, $target, $sFilename);
+  public function setInvoiceNumber();
+  public function setInvoiceDate();
+  public function saveOrderOnChanges();
+  public function getTemplate();
+}
\ No newline at end of file