data-gallery value plus one additional attribute for product, collection, category, or brand.
Start with Embed Galleries and Cards if you have not added the Cevoid widget script yet.
Product page gallery
Usedata-product="auto" when the gallery should detect the current product from the page URL.
Collection page gallery
Usedata-collection="auto" when the gallery should detect the current collection from the page URL.
Category page gallery
Usedata-category="auto" when the gallery should detect the current category from the page URL.
Brand page gallery
Usedata-brand="auto" when the gallery should detect the current brand from the page URL.