Orchard CMS使用工作流程在表单提交时向多个/不同的电子邮件地址发送电子邮件

I built a custom (contact us) form that contains a dropdown list with several options I need to create a workflow that sends an email to a specific address based on which item in the dropdown list was selected, but I've no idea how to go about doing this as the workflows in orchard only allow for sending an email when the form is submitted and not based on any of the content that was in the form. Is this possible? Will I need to create a custom workflow activity that somehow searches the contents of the form for user specified text and then send an email if the text is found in the form?I built a custom (contact us) form that contain