title: GoJS get dropped object values on ExternalObjectsDropped
body: <p>I'm having two panels GoJs Diagram similar to <a href="http://gojs.net/latest/samples/flowchart.html" rel="nofollow">http://gojs.net/latest/samples/flowchart.html</a>. I drop objects from left panel to main diagram. How do I get/set values of attributes ob dropped object like text etc.? I'm stuck with</p>
  
  <pre><code>    myDiagram.addDiagramListener("ExternalObjectsDropped",
      function (e) {
          var part = e.subject;
          console.log(e.subject);
      });
  </code></pre>
  
  <p>Console only shows very complicated object structure, but I don't know where to find values I'm searching for. My main goal is to resize some TextBlocks of dropped object.</p>