<?xml version="1.0" encoding="utf-8"?>
<form>
    <fieldset name="main" addfieldpath="administrator/components/com_convertforms/models/forms/fields">
        <field name="convertformid" type="convertforms"
            label="PLG_EDITORS-XTD_CONVERTFORMS_SELECT_FORM"
            description="PLG_EDITORS-XTD_CONVERTFORMS_SELECT_FORM_DESC"
            class="span12">
        </field>
    </fieldset>
</form>