To install the dependency clone this reporsitory in a folder and tape : npm install

Use Ngork https://ngrok.com/download as : ngrok http 3000, in order to get a public IP adresse and put it in variable in index.js public_address: 'https://4f1fbe9a.ngrok.io'

To chat with the bot please add this adresse pregnancy@sparkbot.io to ciscospark.