code: def sdk_send_data(data):
      out_dir = os.getenv("NNI_SYS_DIR")
      if not os.path.isdir(out_dir):
          raise Exception(
              "Can not find NNI_SYS_DIR: {}".format(out_dir)
          )
  
      filename = os.path.join(out_dir, METRICS_FILENAME)
      wrapped_data = data + "\n"
      datalen = len(wrapped_data)
      if datalen < 2:
          return
      with open(filename, "a") as f:
          f.write("ME{:06d}{}".format(datalen, wrapped_data))
  
label_desc: Use image node_id 1 for calling a global function with example usage: sdk_send_data(data) without return types