iMacros Need help to extract data txt from html source!

<form id="flagform1" action="generator.php" method="POST">
<input id="flag1" name="flagalt" value="PETER" type="hidden">
<input name="generator" value="1" type="hidden">
<div class="btn-group btn-group-justified">
<a id="copy1" data-clipboard-target="generator1" title="Copy" class="btn btn-success zeroclipboard-is-hover">Copy</a>
<a href="javascript:void(0);" onclick="$(this).closest("form").submit();" title="Flag as invalid" class="btn btn-danger">Flag as invalid</a>
</div>
</form>

TAG POS=2 TYPE=form ATTR=flag1:flagalt EXTRACT=TXT