code: def reader(
      ctx,
      role: Role,
      name: cpn.parameter(type=str, default=None, optional=False),
      namespace: cpn.parameter(type=str, default=None, optional=False),
      output_data: cpn.data_unresolved_output(),
  ):
      output_data.write_metadata({}, name=name, namespace=namespace)
  
label_desc: Use image node_id 1 for calling a global function with example usage: reader(ctx, role, name, namespace, output_data) without return types