<fieldset submitButton="false" autoRun="false">
<html>
<div style="text-align: right;" >
<a href="<name_of_your_xml_without_extension>" class="btn btn-primary">Refresh</a>
</div>
</html>
</fieldset>
You can remove the class="btn btn-primary" to get it as a link.
You can tinker around with div tag for formatting.
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