Add an extra input parameter, as a key/value pair, to the purchase request.
#include <bps/paymentservice.h>
BPS_API int paymentservice_purchase_arguments_set_extra_parameter(purchase_arguments_t *purchase_arguments,
const char *key,
const char *value)
BlackBerry 10.0.0
The purchase_arguments_t in which to add the extra parameter.
The key of the extra parameter to be set.
The value of the extra parameter to be set.
BPS_SUCCESS upon success, BPS_FAILURE with errno value set otherwise.