code: def _docstring(self):
          
          s = '"""' + "\n"
          s += "webhook2lambda2sqs generated function source\n"
          s += "this code was generated by webhook2lambda2sqs v%s\n" % VERSION
          s += "<%s>\n" % PROJECT_URL
          s += "this project is licensed under the AGPLv3 open source license.\n"
          s += "\n"
          s += "DO NOT MODIFY this function; modifications should be made by "
          s += "re-running\n"
          s += "the project with an updated configuration.\n"
          s += '"""' + "\n"
          return s
docs: Generate a docstring for the generated source file.
  
          :return: new docstring
          :rtype: str