В шаблоне postContainer
{{if $comment->author()->modShowBadge()}}
<span class="cAuthorPane_badge cAuthorPane_badge--moderator" data-ipsTooltip title="{lang="member_is_moderator" sprintf="$comment->author()->name"}"></span>
{{elseif $comment->author()->joinedRecently()}}
<span class="cAuthorPane_badge cAuthorPane_badge--new" data-ipsTooltip title="{lang="member_is_new_badge" sprintf="$comment->author()->name"}"></span>
{{endif}}