XWB GET VARIABLE VALUE Example

RPCBroker1.RemoteProcedure := 'XWB GET VARIABLE VALUE';
RPCBroker1.Param[0].Value :='DUZ';
RPCBroker1.Param[0].PType := reference;
try
    RPCBroker1.Call;
except
  On EBrokerError do
    ShowMessage('Connection to server could not be established!');
end;

ShowMessage('DUZ is '+RPCBroker1.Results[0]);