PRC_Payouts->issue_partial_refund
Issues a partial refund, given a photo order ID and amount (in USD).
PRC()->payouts->issue_partial_refund( $photo_order_id, $refund_amount_dollars );
Issues a partial refund, given a photo order ID and amount (in USD).
PRC()->payouts->issue_partial_refund( $photo_order_id, $refund_amount_dollars );