<property expression="//return/text()" name="key" scope="default" type="STRING" xmlns:S="http://schemas.xmlsoap.org/soap/envelope/"/>
    <script description="wyliczenie tokenu sesji" language="groovy"><![CDATA[import java.security.MessageDigest;
import javax.xml.bind.DatatypeConverter;

String key = mc.getProperty("key");
String password = mc.getProperty("password");

MessageDigest md = MessageDigest.getInstance("md5");
md.update(key.getBytes());
md.update(";".getBytes());
md.update(password.getBytes());
String token = DatatypeConverter.printHexBinary(md.digest());
mc.setProperty("token", token);]]></script>