How to Serialization & Deserialization for caption in Image

[duypham90]

I don't know how to get all caption in image after Editor change.
Current I only get image but don't have caption
Please help me or guide me some thing how to get image caption from Editor.
Thanks

I edit the file below as as new to get Html from Lexical editor

packages\lexical-playground\src\Editor.tsx

  useEffect(() => {
    editor.registerUpdateListener(() => {
      editor.update(() => {
        const html = $generateHtmlFromNodes(editor, null);
        console.log(html);
      });
    });
  }, [editor]);

The result:

[duyphamsalto]

Can you help me !!!