</td><td class="summaryTableCol"><a onclick="javascript:loadClassListFrame('com/adobe/rtc/messaging/class-list.html');" href="com/adobe/rtc/messaging/package-detail.html">com.adobe.rtc.messaging</a></td><td class="summaryTableLastCol">
  MessageItem is a "descriptor" for the properties of messages sent, received, and stored by a CollectionNode.</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableSecondCol"><a href="com/adobe/rtc/messaging/errors/MessageNodeErro