una/modules/boonex/convos/template/message_preview_in_grid.html

<div class="bx-cnv-grid-preview">
    <div class="bx-def-font">
        <bx_if:unread_messages><b></bx_if:unread_messages>
        <a href="__url__">__text__</a>
        <bx_if:unread_messages2></b></bx_if:unread_messages2>
    </div>
    <div class="bx-def-font-middle">__cmt_text__</div>
    <div class="bx-def-font-small bx-def-font-grayed">__last_reply_time_and_replier__</div>
</div>