title: Default values for AEM dialog properties (Sightly)
body: <p>I need to set a default dialog value in AEM component.
  For example - I have dialog with node - namelabel
  and I am fetching this in my html as </p>
  
  <pre><code>${properties.namelabel}
  </code></pre>
  
  <p>Now I want to set the default value to this node property, ie when I am editing a dialog there is always a value set as</p>
  
  <pre><code>namelabel : Name 
  </code></pre>
  
  <p>where in author can change this anytime he wants.</p>
  
  <p>Thanks in advance.</p>