Add <dc:variable name="variable" expr="xpath"/> construct to datacage language. Each time during traversal of the template this element is found a variable called 'variable' is set to the result of the the evaluation of the XPpath 'xpath'. Example: <dc:variable name="x" expr="$x + 1"/> <!-- Assign x+1 to x -->

<?xml version="1.0" encoding="UTF-8" ?>
<database>
    <user>SA</user>
    <password></password>
    <url>jdbc:h2:${artifacts.config.dir}/../artifactsdb/artifacts</url>
</database>