<serviceGroup>

  <service name="add_service">

    <parameter name="ServiceClass" locked="xsd:false">add.so</parameter>

    <operation name="add" > 
          <messageReceiver class="libaxis2_receivers.so" />
    </operation>
  </service>
  
  <service name="multiply_service">
  
    <parameter name="ServiceClass" locked="xsd:false">multiply.so</parameter>

    <operation name="multiply" > 
          <messageReceiver class="libaxis2_receivers.so" />
    </operation>
    
  </service>
 
</serviceGroup>