Push Notifications w SharePoint

sendNotification: function (info, url, icon) {
    var notify = function (listName, url, icon) {
        var options = { icon: icon };
        var notification = new Notification(info, options);
        notification.onclick = function (event) {
            event.preventDefault(); 
            window.open(url, '_blank');
        };
    };
    // Sprawdzamy czy przeglądarka obsługuje powiadomienia.
    if (!("Notification" in window)) {
        alert("Ta przeglądarka nie obsługuje powiadomień, wypróbuj Google Chrome!");
    }
    // Sprawdźmy czy uprawnienia dla powiadomienia zostały nadane
    else if (Notification.permission === "granted") {
    // jeżeli są tworzymy powiadomienie
        notify(info, url, icon);
    }
    // W innym przypadku tworzymy zapytanie o uprawnienia
    else if (Notification.permission !== 'denied') {
        Notification.requestPermission(function (permission) {
        //Jeżeli użytkownik zaakceptuje tworzymy powiadomienie
        if (permission === "granted") {
            notify(info, url, icon);
        }
    });
    }
}

var clientContext = new SP.ClientContext(siteUrl);
setInterval(function () {
  for (var i = 0; i < mcNotification.observedLists.length; i++) {
   let item = mcNotification.observedLists[i];
   let oList = clientContext.get_web().get_lists().getByTitle(item.listName);
   let x = clientContext.load(oList);
   clientContext.executeQueryAsync(function () {
    let lastmodified = oList.get_lastItemModifiedDate();
    item.lastDate = new Date(mcNotification.readCookie(item.listName));
    if (lastmodified > item.lastDate) {
     item.lastDate = lastmodified;
     mcNotification.eraseCookie(item.listName);
     mcNotification.createCookie(item.listName, item.lastDate, 3);
     mcNotification.sendNotification(item.textInfo, item.linkUrl, logo);
    }
   }, function (sender, args) {
    console.log('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
   });
 }
}, refreshTime);

createCookie: function (name, value, days) {
    var expires = "";
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = "; expires=" + date.toUTCString();
    }
    document.cookie = name + "=" + value + expires + "; path=/";
},
readCookie: function (name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
},
eraseCookie: function (name) {
    mcNotification.createCookie(name, "", -1);
}

/_layouts/15/MicrosoftAjax.js
/_layouts/15/sp.runtime.js
/_layouts/15/sp.js
/_Layouts/15/SP.RequestExecutor.js
    $(document).ready(function () {
        SP.SOD.executeFunc('sp.js', 'SP.ClientContext');
        currentContext = new SP.ClientContext.get_current();
    });
 </script>

mcNotification.registerList('Lista aktualności', "http://sp-matcho/SitePages/NewsArchive.aspx", "Zmiany w aktualnościach!");

mcNotification.registerList('Galeria', "http://sp-matcho/SitePages/Galeria.aspx", "Hura działa!");

mcNotification.run(1000, '/', "someicon.png");