Retrieve the number of extra parameters that are present in a PURCHASE_RESPONSE event.
#include <bps/paymentservice.h>
BPS_API int paymentservice_event_get_extra_parameter_count(bps_event_t *event,
unsigned int index)
BlackBerry 10.0.0
The event containing the array of existing purchases.
The index into the array of existing purchases. You can specify an index value that ranges from zero to the number of purchases minus one. You can retrieve the number of purchases using the paymentservice_event_get_number_purchases() function.
The number of extra parameters that are present in the PURCHASE_RESPONSE.