* This method deposits amount to pay directly in event
*/
@Override
protected Set<Entry> internalProcess(User responsibleUser, AccountingEventPaymentCode paymentCode, Money amountToPay,
SibsTransactionDetailDTO transactionDetail) {
final AccountingTransaction transaction =
depositAmount(responsibleUser, amountToPay, EntryType.STANDALONE_ENROLMENT_GRATUITY_FEE, transactionDetail);
return Collections.singleton(transaction.getToAccountEntry());
}