Schedule Publish of a BlogPost

var blogsManager = BlogsManager.GetManager();
var blog = blogsManager.GetBlogs().Single();
var blogPost = blogsManager.CreateBlogPost();
blogPost.Parent = blog;
blogPost.Title = "Test post 2";
blogPost.Content = "<p>Dad, what's the point of this story?</p><p>I like stories...</p>";
blogPost.Summary = "Awesome summary";
blogPost.UrlName = Regex.Replace(blogPost.Title, UrlNameCharsToReplace, UrlNameReplaceString);

//Publish in future
var dateToPublish = DateTime.UtcNow.AddMinutes(2);
blogPost.PublicationDate = dateToPublish;
blogsManager.Lifecycle.CheckOut(blogPost);
blogsManager.SaveChanges();

var bag = new Dictionary<string, string> {
    { "ContentType", typeof(BlogPost).FullName }
};

WorkflowManager.MessageWorkflow(blogPost.Id, typeof(BlogPost), null, "Schedule", true, bag);