Manually Submit Custom Service Request. Third section of your service request form. Download the LOA for your country or region.

ITIL specifies that along with the service desk service requests are managed by the request fulfilment process. Added a code example from the post above. The last part is the Submit button so make sure you dont forget about it.
I have a form that has two submit buttons.
The following steps provide an overview of how to customize the Ticket or Service Request form in Self Service. The following steps provide an overview of how to customize the Ticket or Service Request form in Self Service. This opens the Design Form page. Of course this is just an IT service request sample to get you started.