code: @Override
      public void handle(StartTransactionRequestedEvent event, CorrelationToken correlationToken) {
          LOG.info("StartTransactionRequestedEvent");
          boolean startTransactionAccepted = chargingStationOcpp15Client.startTransaction(event.getChargingStationId(), event.getIdentifyingToken(), event.getEvseId());
          if (startTransactionAccepted){
              domainService.informRequestStartTransactionAccepted(event.getChargingStationId(), event.getEvseId(), event.getIdentifyingToken(), event.getIdentityContext(), correlationToken);
          } else {
              domainService.informRequestStartTransactionRejected(event.getChargingStationId(), event.getEvseId(), event.getIdentifyingToken(), event.getIdentityContext(), correlationToken);
          }
      }
docs: {@inheritDoc}