code: def do_execute(self):
          
          if self.storagehandler is None:
              return "No storage handler available!"
          sname = str(self.resolve_option("storage_name"))
          if sname not in self.storagehandler.storage:
              return "No storage item called '" + sname + "' present!"
          self._output.append(Token(self.storagehandler.storage[sname]))
          return None
docs: The actual execution of the actor.
  
          :return: None if successful, otherwise error message
          :rtype: str