3.3.4.21.2.1 OnSessionAgentReady

 <xsd:element name="OnSessionAgentReady">
   <xsd:complexType>
     <xsd:sequence>
       <xsd:element minOccurs="1" maxOccurs="1" name="idSession" type="xsd:unsignedInt"/>
     </xsd:sequence>
   </xsd:complexType>
 </xsd:element>

idSession: Contains the ID of the remote desktop session being associated with the station.