[LifesGreatestGift]

this may help you

<form action="profile.php" method="post">
<input type="hidden" name="s" value="{vb:raw session.sessionhash}" />
<input type="hidden" name="do" value="{vb:raw updateextra}" />
<input type="hidden" name="securitytoken" value="{vb:raw bbuserinfo.securitytoken}" />

	<h2 class="blockhead">Edit Custom Fields</h2>
	<div class="blockbody formcontrols">
		<h3 class="blocksubhead">Fields</h3>
			{vb:raw userinfo.field12}	
	</div>

	<div class="blockfoot actionbuttons">
		<div class="group">
			<input type="submit" class="button" value="{vb:rawphrase save_changes}" accesskey="s" />
			<input type="reset" class="button" value="{vb:rawphrase reset_fields}" accesskey="r" />
			<input type="hidden" name="s" value="{vb:raw session.sessionhash}" />
			<input type="hidden" name="securitytoken" value="{vb:raw bbuserinfo.securitytoken}" />
			<input type="hidden" name="do" value="updateprofile" />
		</div>
	</div>

</form>

Its not 100% but it gives you some code to play around with.

It is code from this mod
https://vborg.vbsupport.ru/showthrea...ighlight=wired