Sending an APN from Meteor server

sendAPN.js

import _ from 'lodash';

const SEND_APN_MSG = 'notifications.send.APNMsg';
Meteor.methods({
  'notifications.send.APNMsg'({sendToUserId}) {
    check(arguments[0], {
      sendToUserId: String,
    });

    const user = Meteor.users.findOne(sendToUserId);
    user.pushToDevices.forEach(device => {
      const token = device.token;
      
      agent.createMessage()
        .set({
          extra: 123,
        })
        .device(token)
        .alert('This is an alert')
        .send(function (err) {
          if (err) { throw new Meteor.Error(SEND_APN_MSG, err.message); }
          else { console.log('APN msg sent successfully!'); }
        });      
    });
  },
});