final String transactionExternalKey = json.getTransactionExternalKey() != null ? json.getTransactionExternalKey() : UUIDs.randomUUID().toString(); invoicePaymentApi.createChargebackForInvoicePayment(account, payment.getId(), json.getAmount(),
final String transactionExternalKey = json.getTransactionExternalKey() != null ? json.getTransactionExternalKey() : UUIDs.randomUUID().toString(); invoicePaymentApi.createChargebackForInvoicePayment(account, payment.getId(), json.getAmount(),