For the store owners
Users regularly ask Yandex where they can buy a certain product, who offers it and for what price.
To get such snippet, mark up product pages in a certain way.
Which sites can participate in the program
You can participate in the snippet improvement program if:
Your site is an online store, representative of an offline store, company that provides services, or a site that aggregates offers from other companies.
Your site lists your assortment of products/services and each product/service has a separate page on your site.
Your site provides contact info and legal information about your company.
To participate in the Yandex.Market partner program, you need to read and accept terms and conditions.