If you want to try or use the bot you should follow those step: warnings: it has been done in a hackathon some rework should be made for production ready

git clone https://github.com/AyWa/F8_hackathon_helpies

You need to deploy the node js index. The easiest way is to use heroku. Create an account. (you need to install the CLI and setup) https://devcenter.heroku.com/articles/heroku-cli
then:

heroku create
git push heroku master

We need to set 4 differents env variable in heroku. You can go to your heroku project settings and create those differents env variable:

• PAGE_ACCESS_TOKEN
• VERIFICATION_TOKEN
• WIT_TOKEN
• WEBHOOK
• DB
  like:

We will set those value in next step.

please create a firebase real time DB https://firebase.google.com/docs/database/

then set the env DB in heroku with you url. (it should be something like https://something.firebaseio.com/)

in your facebook page. Go to settings/messaging and enable Show a Messenger greeting

• go to https://developers.facebook.com/ and create a project for your page
• go to messenger
• click on token generation.
• set the token in heroku (for PAGE_ACCESS_TOKEN env)
• then create WEBHOOK
• in the callback URL field you should set your heroku url like https://f8helpies.herokuapp.com/webhook dont forget the /webhook
• the Verify Token you can put whatever you like. You just need to set it in heroku (WEBHOOK env)

you need to go to https://wit.ai/ an create an account and an app. You need to create 2 different entities needs and wit/location like: you might need to train them like: Choose the correct lookup strategies free-text & keywords for needs Then you can put your token to the heroko env variable WIT_TOKEN

You can go back to your facebook page click on send message / test the button like:
like: then click on get started