omponent which allows multiple users to 
  chat in a way that is similar to an instant messenger client. In the model-view-controller 
  sense, SimpleChat is the view 
  and controller to the SimpleChatModel's model since it consumes user events, drives them 
  to the model, accepts model events, and updates the view.
  <p>
  In general, users with a viewer role and higher can add and view messages.
  
  <p></p>
<p>
<span class="classHeaderTableLabel">See also</span>
</p>
<div class="seeAlso">
<a href="../s