diff --git a/apps/demo-free-layout/src/components/node-panel/node-list.tsx b/apps/demo-free-layout/src/components/node-panel/node-list.tsx
index b33c11cbc..b62985e16 100644
--- a/apps/demo-free-layout/src/components/node-panel/node-list.tsx
+++ b/apps/demo-free-layout/src/components/node-panel/node-list.tsx
@@ -62,9 +62,11 @@ export const NodeList: FC<NodeListProps> = (props) => {
   const { onSelect } = props;
   const context = useClientContext();
   const handleClick = (e: React.MouseEvent, registry: FlowNodeRegistry) => {
+    const json = registry.onAdd?.(context);
     onSelect({
       nodeType: registry.type as string,
       selectEvent: e,
+      nodeJSON: json,
     });
   };
   return (