code: def update(self, friendly_name=values.unset, unique_name=values.unset,
                 actions=values.unset, actions_url=values.unset):
          
          return self._proxy.update(
              friendly_name=friendly_name,
              unique_name=unique_name,
              actions=actions,
              actions_url=actions_url,
          )
docs: Update the TaskInstance
  
          :param unicode friendly_name: A string to describe the resource
          :param unicode unique_name: An application-defined string that uniquely identifies the resource
          :param dict actions: The JSON string that specifies the actions that instruct the Assistant on how to perform the task
          :param unicode actions_url: The URL from which the Assistant can fetch actions
  
          :returns: Updated TaskInstance
          :rtype: twilio.rest.autopilot.v1.assistant.task.TaskInstance