diff --git a/app/models/communication/website/menu/item.rb b/app/models/communication/website/menu/item.rb
index 347a429c1..b76850cad 100644
--- a/app/models/communication/website/menu/item.rb
+++ b/app/models/communication/website/menu/item.rb
@@ -143,10 +143,12 @@ def to_static_hash
     return nil if static_target.nil?
     hash = {
       'title' => title,
+      'slug' => title.parameterize,
       'target' => static_target,
       'kind' => kind,
       'new_tab' => should_open_new_tab,
-      'children' => children.ordered.map(&:to_static_hash).compact
+      'children' => children.ordered.map(&:to_static_hash).compact,
+      'descendants_targets' => descendants_targets,
     }
     if hugo.present?
       hash['path'] = hugo.path
@@ -178,6 +180,18 @@ def siblings
         .where.not(id: id)
   end
 
+  def descendants_targets
+    children.collect(&:descendants_and_self_targets)
+            .flatten
+            .compact
+            .uniq
+            .sort
+  end
+
+  def descendants_and_self_targets
+    [static_target] + children.collect(&:descendants_and_self_targets)
+  end
+
   protected
 
   def hugo