diff --git a/Admin/InstallType.php b/Admin/InstallType.php
new file mode 100644
index 0000000..0632f3e
--- /dev/null
+++ b/Admin/InstallType.php
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.1
+ *
+ * @category   TBD
+ * @package    TBD
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://orange-management.com
+ */
+declare(strict_types=1);
+
+namespace Modules\Admin\Admin;
+
+use phpOMS\Stdlib\Base\Enum;
+
+/**
+ * Tag type enum.
+ *
+ * @category   Framework
+ * @package    phpOMS\Html
+ * @license    OMS License 1.0
+ * @link       http://orange-management.com
+ * @since      1.0.0
+ */
+abstract class InstallType extends Enum
+{
+    /* public */ const PERMISSION = 0;
+    /* public */ const GROUP = 1;
+}
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 5f33727..15a045d 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -270,4 +270,51 @@ class Installer extends InstallerAbstract
                 break;
         }
     }
+
+    public static function installExternal(DatabasePool $dbPool, array $data)
+    {
+        foreach($data as $type => $element) {
+            if($type === InstallType::PERMISSION) {
+                self::installPermission($dbPool, $element);
+            } elseif($type === InstallType::GROUP) {
+                self::installGroup($dbPool, $element);
+            }
+        }
+    }
+
+    public static function installPermission(DatabasePool $dbPool, array $data)
+    {
+        $sth = $dbPool->get('core')->con->prepare(
+            'INSERT INTO `' . $dbPool->get('core')->prefix . 'permission` (`permission_id`, `permission_name`, `permission_description`) VALUES
+                        (:id, :pid, :name, :type, :subtype, :icon, :uri, :target, :from, :order, :parent, :perm);'
+        );
+
+        $sth->bindValue(':id', $data['id'] ?? 0, \PDO::PARAM_INT);
+        $sth->bindValue(':pid', sha1(str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
+        $sth->bindValue(':name', $data['name'] ?? '', \PDO::PARAM_STR);
+        $sth->bindValue(':type', $data['type'] ?? 1, \PDO::PARAM_INT);
+        $sth->bindValue(':subtype', $data['subtype'] ?? 2, \PDO::PARAM_INT);
+
+        $sth->execute();
+
+        $lastInsertID = $dbPool->get('core')->con->lastInsertId();
+    }
+
+    public static function installGroup(DatabasePool $dbPool, array $data)
+    {
+        $sth = $dbPool->get('core')->con->prepare(
+            'INSERT INTO `' . $dbPool->get('core')->prefix . 'group` (`group_id`, `group_name`, `group_description`) VALUES
+                        (:id, :pid, :name, :type, :subtype, :icon, :uri, :target, :from, :order, :parent, :perm);'
+        );
+
+        $sth->bindValue(':id', $data['id'] ?? 0, \PDO::PARAM_INT);
+        $sth->bindValue(':pid', sha1(str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
+        $sth->bindValue(':name', $data['name'] ?? '', \PDO::PARAM_STR);
+        $sth->bindValue(':type', $data['type'] ?? 1, \PDO::PARAM_INT);
+        $sth->bindValue(':subtype', $data['subtype'] ?? 2, \PDO::PARAM_INT);
+
+        $sth->execute();
+
+        $lastInsertID = $dbPool->get('core')->con->lastInsertId();
+    }
 }