s=true</code> or 
   <code class="property">modifyAnyItem=false</code>, this property is used to determine the user associated 
   with this item.</div>
</td><td class="summaryTableOwnerCol">MessageItem</td>
</tr>
<tr class="">
<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#body">body</a> : *<div class="summaryTableDescription">
   Value actually being sent within this message.</div>
</td><t