Algolia Index question

product.rb

algoliasearch index_name: "products" do
    # currently working
    attribute :id, :product_number, :name, :family_id, :slug, :collection_id, :benefits, :categories
    
    # refined indices I would like to have
    attribute :id, :product_number, :name, :family_id, :slug, :collection_id
    attribute :benefits do
      { id: benefits.id, name: benefits.name }
    end
    attribute :categories do
      { id: categories.id, name: categories.name }
    end

    # tags used for filtering
    tags do
      [benefits_ids, categories_ids]
    end
  end