NoteItemAdd

string id = Guid.NewGuid().ToString();
var note = new NoteItemAddRq_MType()
{
    NoteItemAutoRmv = bool.FalseString,
    NoteItemDesc = "Notification title text",
    NoteItemDet = "Warning message goes here! Currently limited to 63 chars.",
    // The notification Id.  When ommitted the message Id is used.
    NoteItemId = id,
    EncapAppMsg = "1",
    // The text to be shown below the notification.  The link that is used for the callback
    // function. If omitted, and the EncapAppMsg has a value, 'Process this notification'
    // will be used by default. If omitted, and the EncapAppMsg is also omitted, 'Remove
    // this notification' will be used by default.
    AppLinkText = "Process my warning by clicking here!",
    // Used to set the default icon and level of notification.
    // The Custom selection allows the sender to specify a custom icon to display.
    // All other selections will display a default icon, even if a custom icon is sent.
    // If omitted, Custom will be used by default.
    // Canonicals:  Error, Warning, Info, Custom
    NoteItemCategory = "Warning",
    // Used to set the level of the system tray icon notification. Default will be an
    // Interactive Information display represented by the Med canonical value, and the
    // tray icon will be set to indicate that notifications are available. Low will display
    // a small visual display with limited information, but the tray icon will be set to
    // indicate notifications are available. None will not show any visualization,
    // nor will the tray icon change from the current state however the notification
    // will be logged in the notification history.  (Notification quietly gets added to
    // the notifications tab only.) High canonical value is for future usage that
    // would be blocking the UI which would rarely be used and required coordination of
    // consumer and provider.  If omitted, Default Med is used.
    // Canonicals:  High, Med, Low, None
    NoteItemNotType = "Medium",
    // Base64 encoded image that can be used as a custom image in the notification in the
    // notification tab and in the notification balloon if shown.  This image will only
    // be used if the NoteItemCategory is set to custom, even if an image is supplied
    // in this property.  If no image is supplied, and the NoteItemCategory is set to
    // custom, Xperience will attempt to use the product's default image if available, or
    // an internal generic image if not. The image should be 16X16 or 32x32 dimension
    // and PNG, JPG, or BMP format. PNG is preferred due to the superior quality.
    // Please be aware this is NOT .ico format. The term icon is used as a generic term.
    NoteItemCustomIcon = Convert.FromBase64String(this.CreateBase64ImageFromResource("Demo.Images.Red.png"))
};

// NOTE!!!!! Using NoteItemAdd when communicating with the Hosted Message Bus
MessageOptions options = new MessageOptions();
options.DestinationRoutes.Add(
    new Route()
    {
        User = new UserRoute()
        {
            UserName = "testuser1@dev.jha"
        }
    });

options.DestinationRoutes.Add(
    new Route()
    {
        User = new UserRoute()
        {
            UserName = "testuser2@dev.jha"
        }
    });

DemoShowDetails encapMsg = new DemoShowDetails() { Id = Guid.NewGuid().ToString(), Description = "Information to display goes here." };

var note = new NoteItemAddRq_MType()
{
    AppLinkText = "Click to see some details...",
    EncapAppMsg = JackHenry.Xperience.MessageBus.Serializer.Serialize(encapMsg),
    NoteItemAutoRmv = bool.FalseString,
    NoteItemCategory = "Info",
    NoteItemCustomIcon = noteIcon,
    NoteItemDesc = "Demo Request",
    NoteItemDet = "Click the link below to see details.",
    NoteItemId = id,
    NoteItemNotType = "High"
};

// NOTE!!!!!  Our callback will be for the encapsulated message, not the actual note request!
ICallback callback = this.messageBus.Send(note, options).RegisterResponseHandler(this.SendDemoShowDetails);

private void SendDemoShowDetails(IMessageContext context)
{
    if (context != null)
    {
        DemoShowDetailsResponse rs = context.DeserializeMessage();
    }
}

var request = new jackHenry.xperience.businessObjects.NoteItemAdd();
    request.EncapAppMsg = "Sample Message";
    request.NoteItemAutoRmv = "false";
    request.NoteItemCategory = "Info";
    request.NoteItemDesc = "Sample Note";
    request.NoteItemDet = "Details";
    request.NoteItemId = jackHenry.xperience.Guid.newGuid();
    request.NoteItemNotType = "High";

    sampleXPWebProductAngular.Helper.FillHeader(request);

var responseCallback = jackHenry.xperience.messageBus.send(request).registerResponseHandler(onAddNoteCallback);