{{ if .Parent }}
  {{ $name := .Get 0 }}

  {{- if not (.Parent.Scratch.Get "tabs-id") -}}
  {{ $id :=  index (seq 1000 | shuffle) 0 }}
  {{ .Parent.Scratch.Add "tabs-id" $id }}
  {{- end -}}

  {{ $group := printf "tabs-%d" (.Parent.Scratch.Get "tabs-id") }}

  {{ 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}}