dobe.rtc.sharedModel.<a onclick="javascript:loadClassListFrame('com/adobe/rtc/sharedModel/class-list.html');" href="com/adobe/rtc/sharedModel/SimpleChatModel.html">SimpleChatModel</a></td>
</tr>
<tr>
<td width="20"></td><td>
  Dispatched when the message history changes; for example, when there is a new message
  or the messages are cleared.</td>
</tr>
<tr>
<td colspan="2" class="idxrow"><a onclick="javascript:loadClassListFrame('com/adobe/rtc/events/class-list.html');" href="com/adobe/rtc/events/ChatEvent.