RequestCategory

One of:

incident: Incident - Request for Incident Resolution
rfc: RFC - Request for Change
rfi: RFI - Request for Information
reservation: Reservation - Request for Reservation
order: Order - Request for Purchase
fulfillment: Fulfillment - Request for Order Fulfillment
complaint: Complaint - Request for Support Improvement
compliment: Compliment - Request for Bestowal of Praise
other: Other - Request is Out of Scope
case: Case