super.run();
TreeWriter treeWriter = new TreeWriter(runtime);
treeWriter.startDocument(step.getNode().getBaseURI());
treeWriter.addStartElement(c_param_set);
treeWriter.startContent();
for (QName param : parameters.keySet()) {
String value = parameters.get(param).getStringValue().getStringValue();
treeWriter.addStartElement(c_param);
treeWriter.addAttribute(_name, param.getLocalName());