sdk.notification = (function(){

  var notification = {}

  notification.request = (cb) => {
    Notification.requestPermission().then(function(permission) {
      if (permission === "granted") {

      }
    })
  }

  notification.notify = (msg) => {
    if (Notification.permission === "granted") {
      var n = new Notification(msg);
    } else if (Notification.permission !== 'denied') {
      notification.request(() => {
        notification.notify(msg)
      })
    }
  }

  return notification
})()