course_id, title, url, is_paid, price, price_amount, image, headline, language, subscribers, rating, reviews, lectures, category, subcategory, badge, caption_languages, published_time, content_info, articles, downloadable_resources, instructor.Fillings For Coupon Deatils
course_id, coupon_code, price, list_price, saving_price, discount_percent, expiration_date, remaining_time, uses_remaining, maximum_uses.