<!-- Fluid source: -->
<f:form actionUri="{f:widget.uri(action:'search', ajax: 1)}" name="search" class="search">
	<f:form.textfield name="term" />
</f:form>

<!-- actual output (bridged) -->
<form method="post" action="?%40action=search&__widgetId=0" class="search" name="search">
[...]

	<input type="text" name="--acme-foobar-viewhelpers-widget-searchviewhelper[term]" class="term" data-mooview-defer="keydown:pause@self" />
</form>