app.js

var twilio = require('twilio');
// Will use TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN env vars
var twilio_client = new Twilio();
var notify = client.notifications.v1.services("ISxxxx");
// create list of installs and declare signal_peeps
signal_peeps.forEach(function(signal_peep) {
  notify.bindings.create({
    identity: signal_peep.email_address,
    tag: "SIGNAL attendee" 
  }).then(function(response) {
    console.log(response);
  }).catch(function(error) {
    console.log("Error: " + response);
  });
});
notify.notifications.create({
  tag: "SIGNAL Attendee",
  body: "Thanks for coming to SIGNAL! Get notify at https://twilio.com/docs/notify",
}).then(function(response) {
  console.log(response);
}).catch(function(error) {
  console.log("Error: " + error);
});