title: JointJs: Set Custom attribute Value
body: <p>I am trying to set custom attribute value through a form. But if I click the element again it shows the properties previously assigned rather than showing the one. </p>
  
  <p>I want to input SiteStation variable's value from user and assign it to that particular element. For the time my element is there on the graph it should have that value attatched it.</p>
  
  <p><code>http://jsfiddle.net/avinash2618/6umUH/157/</code></p>
  
  <pre><code>cell.set('attributes/stationName',stationName); 
  </code></pre>