{{- $searchIndex := slice -}}
{{- range where .Site.RegularPages "Type" "articles" -}}
    {{- $searchIndex = $searchIndex | append (dict 
        "title" .Title
        "url" .Permalink
        "summary" .Summary
        "tags" .Params.tags
        "narrator" .Params.narrator
        "facilitator" .Params.facilitator
        "date" (.Date.Format "2006-01-02")
        "content" .Plain
    ) -}}
{{- end -}}
{{- $searchIndex | jsonify -}}