Hi forum,

I am playing around with ContentService class and I am trying to get this example working (it's from https://our.umbraco.com/documentation/Reference/Notifications/ContentService-Notifications):

using Umbraco.Cms.Core.Events;
using Umbraco.Cms.Core.Notifications;

namespace MySite
{
    public class DontShout : INotificationHandler<ContentPublishingNotification>
    {
        public void Handle(ContentPublishingNotification notification)
        {
            foreach (var node in notification.PublishedEntities)
            {
                if (node.ContentType.Alias.Equals("announcement"))
                {
                    var newsArticleTitle = node.GetValue<string>("title");
                    if (newsArticleTitle.Equals(newsArticleTitle.ToUpper()))
                    {
                        notification.CancelOperation(new EventMessage("Corporate style guideline infringement",
                            "Don't put the announcement title in upper case, no need to shout!",
                            EventMessageType.Error));
                    }
                }
            }
        }
    }
}

I placed it in a test.cs file in the root of the project, but when I build the project and spins up the site again it seems not to work: I write "HEY" in the title field, but no notification turns up (except the "Content published: and is visible on the website" message).