MapModelWorkflowContext mmc = (MapModelWorkflowContext) context;
final MapModel mapModel = mmc.getMapModel();
final FeatureTransaction ft = mmc.getFeatureTransaction();
PersistTransactionRequest request = new PersistTransactionRequest();
request.setFeatureTransaction(ft.toDto());
request.setCrs(mapModel.getCrs());
GwtCommand command = new GwtCommand(PersistTransactionRequest.COMMAND);
command.setCommandRequest(request);