Create.cshtml

<section class="grid_8">
    @using (Html.BeginForm("create", "promotion", FormMethod.Post, new { @class = "form" }))
    {
        <fieldset>
            <p>
                @Html.LabelFor(x => x.Title)
                @Html.TextBoxFor(x => x.Title, new { @class = "liquid" })
                @Html.ValidationMessageFor(x => x.Title)
            </p>
            <p>
                @Html.LabelFor(x => x.Content)
                @Html.TextAreaFor(x => x.Content, new { @class = "wysiwyg" })
                @Html.ValidationMessageFor(x => x.Content)
            </p>
            <p>
                <button class="green" type="submit">Create Promotion</button>
            </p>
        </fieldset>
    }
</section>

CreatePromotionViewModel.cs

[Serializable]
public class CreatePromotionViewModel
{
    [Required]
    public string Title
    {
       get;
       set;
    }

    [Required]
    [AllowHtml]
    public string Content
    {
       get;
       set;
    }
}

PromotionController.cs

public class PromotionController : Controller
{
    private readonly IEndpoint _serviceBus;

    public PromotionController(IEndpoint serviceBus)
    {
        _serviceBus = serviceBus;
    }

    [HttpPost]
    public ActionResult Create(CreatePromotionViewModel viewModel)
    {
       if(ModelState.IsValid)
       {
            _serviceBus.Send(viewModel);
            return RedirectToAction("create.success");
       }

       return View(viewModel);
    }
}