Transaction UseVoucher

Authentication mode: Checked (known user, must have the privilege)

Database access mode: updating

Use a voucher to pay for an order. The system automatically deducts as much as is due for the order or as much as is left on the voucher - whichever is lower. If the voucher is not paid for the transaction will fail. The transaction will never transfer money from an order back to the voucher. If the voucher is no longer valid the transaction will fail.

Inputs:

• orderid: int
  ID of the order that is to be paid for
• voucherid: astring
  ID of the voucher that is to be used for payment

Outputs:

• order: Order
  The full order object after the transaction
• voucher: Voucher
  The full voucher object after the transaction
• amount: int
  The amount that was deducted

Privileges

• CanPayVoucherWithVoucher
  users with this privilege may pay for vouchers with other vouchers