Dialogflow v2 API + Actions v2 API: MalformedResponse 'final_response' must be set
问题 I'm trying to start working on Google Actions v2 API together with Dialgoflow v2 API. I have the following example (so far in Dialogflow -> Fulfillment Webhook) taken from official Google Actions Migration Guide , but unfortunately I keep getting MalformedResponse 'final_response' must be set error. 'use strict'; const functions = require('firebase-functions'); const { dialogflow } = require('actions-on-google'); const app = dialogflow(); app.intent('Default Welcome Intent', conv => { conv