diff --git a/dash.py b/dash.py
index ee7f633..515654f 100644
--- a/dash.py
+++ b/dash.py
@@ -13,3 +13,12 @@ class DashApp(metaclass=PoolMeta):
         origins = super(DashApp, cls)._get_origin()
         origins.extend(['dash.app.delivery', 'dash.app.sale_order'])
         return origins
+
+    @classmethod
+    def get_selection(cls):
+        options = super(DashApp, cls).get_selection()
+        options.extend([
+            ('delivery', 'Delivery'),
+            ('sale_order', 'Sale Order'),
+        ])
+        return options
diff --git a/sale.py b/sale.py
index 9ed9544..ecda002 100644
--- a/sale.py
+++ b/sale.py
@@ -237,6 +237,7 @@ class AppDelivery(ModelSQL, ModelView):
     'App Delivery'
     __name__ = 'dash.app.delivery'
     company = fields.Many2One('company.company', 'Company', required=True)
+    code = fields.Char('Code')
 
     @classmethod
     def __setup__(cls):
diff --git a/view/app_delivery_form.xml b/view/app_delivery_form.xml
index 9d7c79d..b4cec51 100644
--- a/view/app_delivery_form.xml
+++ b/view/app_delivery_form.xml
@@ -4,4 +4,6 @@ The COPYRIGHT file at the top level of this repository contains the full copyrig
 <form>
   <label name="company"/>
   <field name="company" widget="selection"/>
+  <label name="code"/>
+  <field name="code"/>
 </form>
diff --git a/view/app_delivery_tree.xml b/view/app_delivery_tree.xml
index fefe79d..ca64350 100644
--- a/view/app_delivery_tree.xml
+++ b/view/app_delivery_tree.xml
@@ -2,5 +2,6 @@
 <!-- This file is part sale_shop module for Tryton.
 The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
 <tree >
+  <field name="code"/>
   <field name="company"/>
 </tree>