1. {
2.   "start_urls":
3.   [
4.         "https://www.amazon.es/b/ref=pantry-wayfinder-3-1-4?node=15426699031"
5.   ],
6.   "fields": {
7.     "name": "//h1[@id='title']/span[@id='productTitle']/text()",
8.     "price": "//td[@class='a-span12']/span[@id='priceblock_ourprice']",
9.     "price_old": "//span[@class='priceBlockStrikePriceString a-text-strike']/text()",
10.     "reference": "",
11.     "image": "//div[@id='imgTagWrapperId']/img/@src",
12.     "description": "//div[@id='productDescription']//text()",
13.     "brand": "",
14.     "brand_text": "//div[@id='merchant-info']/a[@id='sellerProfileTriggerId']/text()",
15.     "categories": "//div[@id='wayfinding-breadcrumbs_container']//ul/li/span[@class='a-list-item']/a/text()",
16.     "availability": "//div[@class='a-section']/div[@id='availability']/span/text()",
17.     "rating_average": "//span[@class='a-declarative']//span[@data-hook='rating-out-of-text']/text()",
18.     "rating_count": "//*[@id='reviewsMedley']/div/div[1]/div[1]/div[2]",
19.     "barcode": "",
20.     "stock": "",
21.     "seller": "//div[@id='merchant-info']/a[@id='sellerProfileTriggerId']/text()"
22.   },
23.   "links": {
24.     "detail": "//*[@class='a-link-normal a-text-normal']/@href",
25.     "next_page": "//a[(contains(.,'Siguiente') or contains(.,'siguiente')) and not(contains(@class,'carousel-goto-nextpage'))]"
26.   },
27.     "regex": {
28.         "rating_average": ["(.*?)de", 1],
29.         "rating_count": ["(.*?)valoraciones", 1]
30.     }
31. }