Set the delivery costs details for a Requisition order.
###id ID of the requisition order which will have the delivery costs details set.
The net cost for the delivery.
The tax code for the delivery.
The tax cost for the delivery.
FM_api('RequisitionOrder_setDeliveryCosts', ['id' => '1', 'delivery_net' => '30', 'delivery_taxcode' => '10', 'delivery_tax' => '2.00'])