client/app/pods/components/topic-modal/template.hbs
{{#modal-dialog title=topicTitle proceedButton="Change" cancel="closeModal" submit="changeTopic"}}
<form role="form">
<div class="form-group">
<label>Topic</label>
{{input class="form-control" elementId="topic" value=topic}}
</div>
</form>
{{/modal-dialog}}