perty: "toPort",      // identifies data property names
        nodeDataArray: [
          { key: 1, text: "Add1" },
          { key: 2, text: "Add2" },
          { key: 3, text: "Subtract1" }
        ],
        linkDataArray: [
          { from: 1, fromPort: "Out", to: 3, toPort: "A" },
          { from: 2, fromPort: "Out", to: 3, toPort: "B" }
        ] });
</code></pre>
<script>goCode("ports", 600, 200)</script>

<h2 id="DrawingNewLinks">Drawing new Links</h2>
<p>
  Setting either or both of the <a>Graph