1.1. Integration messenger and DialogFlow

1.Introduction

• Create a chatbot without programming

• Features

  • Intents

  • Entities

  • Contexts

  • Prebuilt agents

• People spend 80% of time in just 3 apps.

• 9 out of the 10 used apps were made by Google and Facebook

• Typical chatbot architecture

2.DialogFlow

• DialogFlow is a natural language processor that help developers

• DialogFlow依據user的input來判斷intent, 該採取甚麼action及response為何

  

3.Step by step

1. 建立一個Facebook page

   • 填入名稱

2. 建立一個新的Facebook App

   • 填入Facebook page名稱

     
3. DialogFlow

   • 建立一個帳戶並登入

   • Create a new agent

   • 點選Integration -> 選擇Facebook Messenger

   • 回到developers.facebook

     • 選擇Messenger -> SetUp

     • 從Page的下拉式選單中選擇你的Facebook page, 將會產生一組token拷貝它

   • 回到DialogFlow

     • 將token貼到Page Access Token, 並在verify token中輸入一組字串, 點選Start

   • 回到developers.facebook

     • 點選Setup webhooks

       • 點選messages, message_postbacks

       • 貼上verify token, callback URL (可從DialogFlow取得)

       • Verify and save

       • 從Webhooks section的下拉式選單中選擇你的Facebook page, 點選Subscribe

4. Train DialogFlow agent