<{foreach from=$prototype.params item=param key=group}> <{foreach from=$param item=value key=item}> <{assign var="params" value="params"}> <{/foreach}> <{/foreach}>

<{$group}>
<{$item}>	<{input type="text" name="goods[params][{$group}][{$item}]" value="{$goods[$params][$group][$item]}" }>