Twilio firebase functions

https://angularfirebase.com/lessons/sms-texting-with-twilio/

// firebase functions:config:set twilio.sid="YOUR_ACCOUNT_SID" twilio.token="YOUR_AUTH_TOKEN"
// https://angularfirebase.com/lessons/sms-texting-with-twilio/
exports.makePhoneCall = functions.https.onCall((data, context) => {
if (!context.auth) {
throw new functions.https.HttpsError(
"failed-precondition",
"The function must be called " + "while authenticated."
);
}
const twillioPhoneNumber = "+12089532138";
const toPhoneNumber = data.phoneNumber;
const accountSid = functions.config().twilio.sid;
const authToken = functions.config().twilio.token;
const client = new twilio(accountSid, authToken);
const main = async () => {
try {
const call = await client.calls.create({
// method: 'GET',
// statusCallback: 'https://www.myapp.com/events',
// statusCallbackEvent: ['initiated', 'answered', 'completed'],
// statusCallbackMethod: 'POST',
// replace with https://www.twilio.com/console/twiml-bins/create,
// https://www.twilio.com/docs/voice/make-calls#manage-your-outbound-call
// record: true,
url: "http://demo.twilio.com/docs/voice.xml",
to: toPhoneNumber,
from: twillioPhoneNumber
});
console.log(call);
// should save callSid `call.sid` to firestore
return {
status: "OK",
text: `calling ${toPhoneNumber} from ${twillioPhoneNumber}`,
callSid: call.sid
};
} catch (e) {
console.error(e);
return { status: "error", error: e };
}
};
return main();
});