title: Add Custom attributes Wordpress nav item
body: <p>I need to add custom attributes to <strong>single</strong> WordPress menu item.  </p>
  
  <pre><code>&lt;li id="menu-item-365" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-children-0"&gt;
  &lt;a href="http://www.mywebsite.com/whats-new/"&gt;WHATS NEW&lt;/a&gt;
  &lt;/li&gt;
  </code></pre>
  
  <p>But I need this code like this</p>
  
  <pre><code>&lt;li id="menu-item-365" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-children-0"&gt;
  &lt;a href="http://www.mywebsite.com/whats-new/" data-reveal-id="myModal1" data-animation="fade"&gt;WHATS NEW&lt;/a&gt;
  &lt;/li&gt;
  </code></pre>
  
  <p>Can somebody please help?</p>