{{ if .Params.series }}
<div>
    <h4>This article is part of a series.</h4>
    <ul class="list-group">
        {{ range $post :=  sort (index .Site.Taxonomies.series (index .Params.series 0 | urlize)) "Params.series_order" }}
        {{ if eq $post.Permalink $.Page.Permalink }}
        <li class="list-group-item my-0 active">
            Part {{ $post.Params.series_order }}: This Article
        </li>
        {{ else }}
        <li class="list-group-item my-0">
            <a href="{{$post.Permalink}}">
                Part {{ $post.Params.series_order }}: {{ $post.Params.title}}
            </a>
        </li>
        {{end}}
        {{end}}
    </ul>
</div>
{{end}}