Cancel a subscription to a digital good.
BPS_API int paymentservice_cancel_subscription(const char *purchase_id, const char *group_id, unsigned *request_id)
The purchase ID of the digital good to cancel the subscription to.
The window group ID of the application. This ID is required so that the Payment Service can properly display dialog boxes.
The Payment Service populates this argument upon successful completion of the request with the request ID. It can be used to correlate the response to the request.
To cancel a subscription to a digital good, you need to provide the purchase ID from the initial purchase, which you can retrieve using the paymentservice_event_get_purchase_id() function. You cannot cancel a subscription using the purchase ID of a subscription renewal.
BPS_SUCCESS upon success, BPS_FAILURE with errno value set otherwise.
Last modified: 2013-09-30