help_page.html.erb

<% content_for :extra_head_content do %>
  <%= machine_readable_metadata(
    schema: :article
  ) %>
  <% if @content_item.base_path == '/help/cookie-details' %>
    <meta name="robots" content="noindex">
  <% end %>
<% end %>

<%= render 'content_items/body_with_related_links' %>