For got about listed nodes.

src/cript/nodes/node_iterator.py

@@ -12,18 +12,34 @@ def __init__(self, root):
     def _depth_first(self, node) -> None:
         """Helper function that does the traversal in depth first order and stores result in stack"""
 
+        def handle_child_node(child_node):
+            """Helper function that adds a child to the stack.
+
+            This function can be called for both listed children and regular children attributes
+            """
+            self._stack.append(child_node)
+            self._uuid_visited.add(str(child_node.uuid))
+            # Recursive call to add all children
+            self._depth_first(child_node)
+
         for attr_name in fields(node._json_attrs):
-            attr = getattr(node._json_attrs.attr_name)
+            attr = getattr(node._json_attrs, str(attr_name))
             try:  # Only attribute that have uuid, can be UUID children
                 uuid = str(attr.uuid)
             except AttributeError:
-                pass  # Ignore non-uuid nodes
+                # Handle list attributes
+                if isinstance(attr, list):
+                    for list_attr in attr:
+                        try:
+                            list_uuid = str(attr.uuid)  # type: ignore
+                        except AttributeError:
+                            pass  # We do not handle non-uuid nodes
+                        else:
+                            if list_uuid not in self._uuid_visited:
+                                handle_child_node(list_attr)
             else:
                 if uuid not in self._uuid_visited:  # break cycles
-                    self._stack.append(attr)
-                    self._uuid_visited.add(uuid)
-                    # Recursive call to add all children
-                    self._add_children(attr)
+                    handle_child_node(attr)
 
     def __next__(self):
         if self._iter_position >= len(self._stack):