code: def pipeline(config):
      """
      For UT
      """
      return (
          pipe.input("num")
          .map("num", "res", lambda x: x + config.param)
          .output("res")
      )
  
imports: from towhee import pipe, AutoPipes, AutoConfig
label_desc: Use image node_id 1 for calling a global function with example usage: pipeline(config) and returns: pipe