Facebook Bot

FacebookBot.app.js

// Accepts POST requests at the /webhook endpoint 
app.post('/webhook', (req, res) => { let body = req.body; if 
(body.object === 'page') { body.entry.forEach(function(entry) { let 
event = entry.messaging[0]; if (event.message && event.message.text) 
{ // handle the message handleMessage(event); } }); // Return a '200 
OK' response res.status(200).send('EVENT_RECEIVED'); } else { // 
Return a '404 Not Found' res.sendStatus(404); } });