3.7.4.16.3.2 ShareDesktopResponseBody

 <xsd:complexType name="ShareDesktopResponseBody">
   <xsd:sequence>
     <xsd:element minOccurs="0" maxOccurs="1" name="pwsInvitation" type="xsd:string"/>
   </xsd:sequence>
 </xsd:complexType>

pwsInvitation: Contains the Windows Desktop Sharing invitation string to be used to enable other sessions to view the shared desktop.