validateCoupon
Check if a coupon is valid, and return the new price (considered public)
Arguments
Returns
ValidateOfferingCoupon
Example
query validateCoupon( $coupon_code: String $offering_id: ID $provider_id: ID $requested_payment_id: ID) { validateCoupon( coupon_code: $coupon_code offering_id: $offering_id provider_id: $provider_id requested_payment_id: $requested_payment_id ) { fail_reason first_amount new_first_price new_price repeat_times still_ask_for_cc }}