ugh.setXmltag("UGH");
ugh.addField(new Field("id", UNEdifact41ControlBlockHandlerFactory.NAMESPACE, true));
ugt.setSegcode("UGT");
ugt.setXmltag("UGT");
ugt.addField(new Field("id", UNEdifact41ControlBlockHandlerFactory.NAMESPACE, true));
definitionModel.getSegments().getSegments().add(ugh);
definitionModel.getSegments().getSegments().add(ugt);
}