SendExternalFormEmailController.cs

[HttpPost]
public IHttpActionResult SendExternalFormEmail(EmailData data)
{
	IMessageBus<AutomatedMessagesBus> automatedMessageBus = ServiceLocator.ServiceProvider.GetService<IMessageBus<AutomatedMessagesBus>>();

	var contact = new ContactIdentifier(data.Source, data.ContactIdentifier, ContactIdentifierType.Known);

	var dictionary = new Dictionary<string, object>();

	foreach (var formData in data.FormData)
	{
		dictionary.Add(formData.Key, formData.Value);
	}

	var automatedMessage = new AutomatedMessage()
	{
		ContactIdentifier = contact,
		MessageId = new Guid(data.EmailCampaignId),
		CustomTokens = dictionary,
		TargetLanguage = Sitecore.Context.Language.Name
	};

	automatedMessageBus.Send(automatedMessage);

	var status = new Status
	{
		StatusCode = "Status 200"
	};

	var apiResponse = new ApiResponse<Status>
	{
		Result = status,
		StatusCode = "Api Status 200"
	};

	return Json(new { status = HttpStatusCode.OK, response = apiResponse });
}