Messenger Bot that, based on typed text, query spring documentation and return 3 first results. Read this blog post for more details: https://aboullaite.me/my-first-java-bot/
First thing you need to do is to setup a Facebook app, Please follow this link for more details. You'll need also a free hosting service like Heroko or Clever Cloud, or you can simply use NGROK. and don't forget to create a Facebook page.
Once all done, follow this steps:
- open https://developers.facebook.com/apps click the 'Add a New App' button
- enter the Display Name, e.g. spring-bot select the Category: 'Apps for Messenger'
- click the 'Create App ID' button
- Section 'Token Generation': Select your created FB Page
- copy the 'Page Access Token' to the clipboard
- copy it to your
application.yml - navigate to 'Dashboard'
- copy the 'App Secret' to the clipboard
- copy it to your
application.yml - use a randomly generated string as 'Verify Token'
- deploy you app, and copy your public HTTPS URL (callback url)
- navigate back to 'Messenger'
- Section 'Webhooks': Click the 'Setup Webhooks' button
- past the Callback URL and your verify token
- select the following Subscription Fields:
messages,messaging_postbacks,messaging_optins,message_deliveries,message_reads,message_echoes - click the 'Verify and Save' button
- Section 'Webhooks': Select your created FB Page to subscribe your webhook to the page events
- click the 'Subscribe' button