Twilio: respond to prompt from incoming call with digit press with record

Question

I have a twilio number. I would like to program a webhook for incoming calls to that number that handle the following scenario: the incoming call prompts the user to enter digits. I've tried using <Play> to send DTMF tones, but the subsequent transcription of the call doesn't indicate the tones had any effect. Here's the relevant part of the webhook endpoint

const vr = new VoiceResponse();

vr.say('Hello');

vr.record({
  maxLength: 60,
  transcribe: true,
  transcribeCallback: '/voice/text',
});

vr.play({
  digits: 'wwww1',
});

vr.hangup();

res.setHeader('Content-Type', 'text/xml');

return res.status(200).send(vr.toString());

The transcription reads along the lines of "Hello, for ____ press one, for ____ press two... Goodbye".

I would like to record subsequent parts of the call after sending digits. Not sure what I'm doing wrong.

Answer 1

Turns out the answer was with order of TwiML verbs. According to the docs:

Any TwiML verbs occurring after a <Record> are unreachable.

After modifying code to

const vr = new VoiceResponse();

vr.say('Hello');

vr.play({
  digits: 'wwww1',
});

vr.record({
  maxLength: 60,
  transcribe: true,
  transcribeCallback: '/voice/text',
});

vr.hangup();

res.setHeader('Content-Type', 'text/xml');

return res.status(200).send(vr.toString());

The IVR tree progression worked as expected.