block1.js

// Get environment variables
const YOUR_VONAGE_NUMBER = process.env.YOUR_VONAGE_NUMBER;
const YOUR_PHONE_NUMBER = process.env.YOUR_PHONE_NUMBER;


exports.helloWorld = (req, res) => {
    // Check if there's DTMF payload in the request body
    if (req.body.dtmf) {
        // (2.2) Connect call to the number in the DTMF payload
    ])
    } else {
        // Check if you're the caller
        if (req.query.from === YOUR_PHONE_NUMBER) {
            // (2.1) Capture destination number via DTMF input
        } else {
            // (1) Connect caller to your phone number
        }
    }
};