is that <code>Event</code>s follow the
  'Chain of Responsibility' pattern, 'bubbling' up the display hierarchy
  until some parent component handles the <code>Event</code>, while
  PureMVC <code>Notification</code>s follow a 'Publish/Subscribe'
  pattern. PureMVC classes need not be related to each other in a
  parent/child relationship in order to communicate with one another
  using <code>Notification</code>s.</p></div><dl><dt><span class="kwd">function </span>new(name : <a href="../../../../../../String