Creating a new input under registration page?

[Profit]

Try this:

function testAPI_register(){
global $mybb, $db, $templates, $testkeys;
$blankoption = '';

$testkeys = '<br />

<fieldset class="trow2">

<legend><strong>WHOA</strong></legend>

<table cellspacing="0" cellpadding="{$theme[\'tablespace\']}">

<tr>

<td colspan="2"><span class="smalltext">test</span></td>

</tr>

<tr>

<td colspan="2">

inpout goes here

</td>

</tr>

</table>
</fieldset>';
}