{{ if .Parent }}
  {{ $name := .Get 0 }}
  {{ $group := printf "tabs-%s" (.Parent.Get 0) }}

  {{ if not (.Parent.Scratch.Get $group) }}
    {{ .Parent.Scratch.Set $group slice }}
  {{ end }}
    
  {{ .Parent.Scratch.Add $group (dict "Name" $name "Content" .Inner) }}
{{ else }}
  {{- errorf "%q: tab shortcode must be inside tabs shortcode" .Page.Path -}}
{{ end}}