github.com/mweagle/Sparta@v1.15.0/docs_source/themes/hugo-theme-learn/layouts/shortcodes/siteparam.html (about)

     1  {{- $paramName := (.Get 0) -}}
     2  {{- $siteParams := .Site.Params -}}
     3  {{- with $paramName -}}
     4      {{- with $siteParams -}}
     5          {{- index . (lower $paramName) -}}
     6      {{- end -}}
     7  {{- end -}}