<service name="WS Customer"> // the name of your web service (you decide here what it's called)
    <description>WS Customer</description> // just a description, this is fine
    <parameter name="idlFile">bank.idl</parameter> // the idl filename
    <parameter name="interfaceName">bank::CustomerWS</parameter> // the syntax is >module_name::interface_name< from your idl file
    <parameter name="namingServiceUrl">corbaloc::localhost:900/NameService</parameter> // the url for the naming servise, only change the port number if needed
    <parameter name="objectName">bank.ctx/customerWS.service</parameter> // the complete context + servise path of your naming servise from corba if you're using naming service. otherwise you have to use the bind you make for the NS_Ref file
</service>