Как в компоненте tickets в дереве комментариев на странице, сделать кнопку ответить на комментарий?

<div class="comment-item ticket-comment" id="comment-[[+id]]" data-parent="[[+parent]]" data-newparent="[[+new_parent]]" data-id="[[+id]]">
<div class="row no-margin ticket-comment-body[[+bad]]">
<div class="col-lg-1 col-xs-12 col-sm-2 no-margin left">
<div class="avatar">
<img src="[[+avatar]]" alt="avatar">
</div>
</div>
<div class="col-xs-12 col-lg-11 col-sm-10 no-margin-right right">
<div class="comment-body">
<div class="meta-info">
<header class="row no-margin">
<div class="pull-left ticket-comment-rating inactive">
<h4 class="author"><a href="[[+url]]#comment-[[+id]]">[[+fullname]]</a></h4>
<span class="date">- [[+date_ago]]</span>
<span class="likes plus"><span class="likes-count rating[[+rating_positive]][[+rating_negative]]">[[+rating]]</span>
</span>
[[+has_parent]]
<span class="ticket-comment-down"><a href="#" data-child="">↓</a></span>
</div>
</header>
</div>
<div class="comment-content">[[+text]]</div>
<div class="clients" style="display:none;">[[+fullname]]</div>
</div>
</div>
</div>

</div>
<!--tickets_rating_positive  positive-->
<!--tickets_rating_negative  negative-->
<!--tickets_has_parent <span class="ticket-comment-up"><a href="[[+url]]#comment-[[+parent]]" data-id="[[+id]]" data-parent="[[+parent]]">↑</a></span>-->