code: def whoami() -> None:
      from rich.markdown import Markdown
  
      from argilla.cli.callback import init_callback
      from argilla.cli.rich import echo_in_panel
      from argilla.client.singleton import active_client
  
      init_callback()
      user = active_client()._user
  
      echo_in_panel(
          Markdown(
              f"- **Username**: {user.username}\n"
              f"- **Role**: {user.role}\n"
              f"- **First name**: {user.first_name}\n"
              f"- **Last name**: {user.last_name}\n"
              f"- **API Key**: {user.api_key}\n"
              f"- **Workspaces**: {user.workspaces}"
          ),
          title="Current User",
          title_align="left",
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: whoami() without return types