code: def trigger_visualization_hook(cfg, args):
      default_hooks = cfg.default_hooks
      if "visualization" in default_hooks:
          visualization_hook = default_hooks["visualization"]
          # Turn on visualization
          visualization_hook["draw"] = True
          if args.show:
              visualization_hook["show"] = True
              visualization_hook["wait_time"] = args.wait_time
          if args.show_dir:
              visualization_hook["test_out_dir"] = args.show_dir
      else:
          raise RuntimeError(
              "VisualizationHook must be included in default_hooks."
              "refer to usage "
              "\"visualization=dict(type='VisualizationHook')\""
          )
  
      return cfg
  
label_desc: Use image node_id 1 for calling a global function with example usage: trigger_visualization_hook(cfg, args) and returns: cfg