--- a/src/pyams_zmi/interfaces/__init__.py	Thu Jul 13 11:07:14 2017 +0200
+++ b/src/pyams_zmi/interfaces/__init__.py	Mon Sep 11 14:37:28 2017 +0200
@@ -21,8 +21,13 @@
 
 # import packages
 from pyams_template.template import layout_config
+from zope.interface import Interface
 
 
 @layout_config(template='templates/admin-layout.pt', layer=IAdminLayer)
 class IAdminView(IView):
     """Marker interface for administration views"""
+
+
+class IPropertiesEditForm(Interface):
+    """Properties edit form marker interface"""