3.3.4.3.2.1 OnBeginIdentifyStation

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

idStation: Contains the id of the MultiPoint Station.  This is an unsigned integer with a range of 1 - n, where n is the number of stations currently available on the server.