Create a Windows notification to open a url using Edge.

Program.cs

using Windows.Data.Xml.Dom;
using Windows.UI.Notifications;

// Edge Package AUMID
const string AUMID = "Microsoft.MicrosoftEdge.Stable_8wekyb3d8bbwe!App";

var notifier = ToastNotificationManager.CreateToastNotifier(AUMID);

var xml = $$$"""
    <toast launch='{{{BuildLaunchId(new Uri("https://www.4399.com/"))}}}'>
        <visual>
            <binding template='ToastGeneric'>
                <text>Open Website</text>
            </binding>
        </visual>
        <actions>
            <action content='Open' arguments='{{{BuildLaunchId(new Uri("https://www.7k7k.com/"))}}}'/>
        </actions>
    </toast>
    """;

var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml);

var notification = new ToastNotification(xmlDoc);
notifier.Show(notification);

static string BuildLaunchId(Uri uri) =>
    // https://github.com/chromium/chromium/blob/9fb86dba30189c2d48982de69ee6d5031391248d/chrome/browser/notifications/win/notification_launch_id.cc#L87
    // type|notification_type|profile_id|app_user_model_id|incognito|origin|notification_id
    $"0|1|Default|MSEdge|0|{uri.OriginalString}|";