Variants are covered within a product as an Array and covers different sizes and colors.
https://help.shopify.com/en/api/reference/products/product
weight_unit:String
weight:Float
@:optionaloptionalupdated_at:Null<StringDate>
title:String
taxable:Bool
sku:String
requires_shipping:Bool
@:optionaloptionalproduct_id:Null<String>
@:optionaloptionalprice:Null<Float>
@:optionaloptionalposition:Null<Int>
option3:Null<String>
option2:Null<String>
option1:Null<String>
@:optionaloptionalold_inventory_quantity:Null<Int>
inventory_quantity:Float
@:optionaloptionalinventory_policy:Null<String>
@:optionaloptionalinventory_management:Null<String>
@:optionaloptionalinventory_item_id:Null<Int>
@:optionaloptionalimage_id:Null<String>
@:optionaloptionalid:Null<String>
grams:Float
@:optionaloptionalfulfillment_service:Null<String>
@:optionaloptionalcreated_at:Null<StringDate>
@:optionaloptionalcompare_at_price:Null<Float>
barcode:String
@:optionaloptionaladmin_graphql_api_id:Null<String>