diff --git a/htdocs/core/modules/product/modules_product.php b/htdocs/core/modules/product/modules_product.php
new file mode 100644
index 00000000000..afe07e39503
--- /dev/null
+++ b/htdocs/core/modules/product/modules_product.php
@@ -0,0 +1,52 @@
+<?php
+/* Copyright (C) 2003-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
+ * Copyright (C) 2004-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2004      Eric Seigne          <eric.seigne@ryxeo.com>
+ * Copyright (C) 2005-2012 Regis Houssin        <regis.houssin@capnetworks.com>
+ * Copyright (C) 2016		Charlie Benke		<charlie@patas-monkey.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * or see http://www.gnu.org/
+ */
+
+require_once DOL_DOCUMENT_ROOT.'/core/class/commondocgenerator.class.php';
+
+/**
+ *	\class      ModeleProduct
+ *	\brief      Parent class for product models of doc generators
+ */
+abstract class ModeleProduct extends CommonDocGenerator
+{
+    var $error='';
+
+    /**
+     *  Return list of active generation modules
+     *
+	 * 	@param	DoliDB		$db					Database handler
+     *  @param	integer		$maxfilenamelength  Max length of value to show
+     * 	@return	array							List of templates
+     */
+    static function liste_modeles($db,$maxfilenamelength=0)
+    {
+        global $conf;
+
+        $type='product';
+        $liste=array();
+
+        include_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
+        $liste=getListOfModels($db,$type,$maxfilenamelength);
+
+        return $liste;
+    }
+}