--- a/src/pyams_content/component/association/interfaces/__init__.py	Tue Mar 06 16:55:05 2018 +0100
+++ b/src/pyams_content/component/association/interfaces/__init__.py	Wed Mar 07 09:48:42 2018 +0100
@@ -71,6 +71,9 @@
     def append(self, value, notify=True):
         """Append given value to container"""
 
+    def get_visible_items(self):
+        """Get list of visible items"""
+
 
 class IAssociationTarget(IAttributeAnnotatable):
     """Associations container target interface"""