Get the window group ID from the purchase arguments.
#include <bps/paymentservice.h>
BPS_API const char* paymentservice_purchase_arguments_get_group_id(purchase_arguments_t *purchase_arguments)
BlackBerry 10.0.0
The purchase_arguments_t from which to get the window group ID.
Retrieve the window group ID that was previously set via paymentservice_purchase_arguments_set_group_id().
The window group ID, or NULL if it has not yet been set.