code: def set_custom_value(custom_name, custom_val):
      
      rdict = load_feedback()
      if not "custom" in rdict:
          rdict["custom"] = {}
      rdict["custom"][custom_name] = custom_val
      save_feedback(rdict)
docs: Set a custom value to be given back in the feedback
      :param custom_name: name/key of the entry to be placed in the custom dict
      :param custom_val: content of the entry to be placed in the custom dict