Purges subscriptions at the domain level. The purge can be done synchronously or asynchronously.
void purgeSubscription(SubscriptionPurgeOptionVO purgeOption, Boolean synchronous) throws SUPAdminException;
If successful, purges subscriptions using the schedule. If unsuccessful, returns SUPAdminException.
SubscriptionPurgeOptionVO purgeOption = new SubscriptionPurgeOptionVO(); purgeOption.setDaysInactive(10); supDomain.purgeSubscription(purgeOption, false);