<a target = "_blank"
   href="{{ url('faq', {'categorySlug': object.getSlug}) }}"
   class="btn btn-sm btn-default"
   title="{{ 'Preview'|trans({}, 'SonataAdminBundle') }}"
>
    <i class="fa fa-external-link"></i>
    {{ 'Preview'|trans({}, 'SonataAdminBundle') }}
</a>

