docstr: A nested command.
docstr_tok: ["A","nested","command","."]
code: def nested_command(self, name: str):
      """A nested command."""
      print(f"Hello {name}")
  
file_path: pytorch-lightning/examples/app/commands_and_api/app.py
imports: from command import CustomCommand, CustomConfig
  from lightning import LightningFlow
  from lightning.app.api import Get, Post
  from lightning.app.core.app import LightningApp
label_desc: Use image node_id 1 for calling the ChildFlow obj's underlying member method code with example usage: obj.nested_command(name) without return types