标签: rich-media

我有一个 Dialogflow 聊天机器人。在 Dialogflow 内部测试器中一切正常，但在 facebook 上显示的版本中，我无法获得卡片或建议。即使我用另一个工作聊天机器人的代码替换它们。

const functions = require('firebase-functions');
const {WebhookClient} = require('dialogflow-fulfillment');
const {Card, Suggestion, Payload} = require('dialogflow-fulfillment');
var answers = [];

process.env.DEBUG = 'dialogflow:debug'; // enables lib debugging statements

exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
  const agent = new WebhookClient({ request, response });

  function welcome(agent) {
    agent.add('Hi! Do you want to discover your lockdown personality?');
    agent.add(new Card({
        title: '1. How has the COVID-19 crisis',
        imageUrl: 'https://ejoy-english.com/blog/wp-content/uploads/2018/08/shutterstock_524250877-e1496428580440.jpg',
        text: 'impacted the stability of your life?',
      })
    );
    agent.add(new …