List<Node> toNodes = port.getToNodes();
for (Node toNode : toNodes) {
if (toNode instanceof OutputNode) {
if ("http://www.w3.org/2001/XMLSchema".equals(port.getType().getNamespaceURI())) {
XmlElement sink = builder.newFragment(scuflNS, "sink");
sink.addAttribute("name", toNode.getID());
sinks.add(sink);
link = builder.newFragment(scuflNS, "link");
link.addAttribute("source", getValidName(node) + "OutputMessagePartXML:" + outputPort.getName());
link.addAttribute("sink", toNode.getID());
this.links.add(link);