ProductVariantInventoryPolicy enum
The inventory policy for a product variant controls whether customers can continue to buy the variant when it is out of stock. When the value is continue, customers are able to buy the variant when it’s out of stock. When the value is deny, customers can’t buy the variant when it’s out of stock.
Values
- CONTINUE
Continue selling a product variant when it is out of stock. - DENY
Stop selling a product variant when it is out of stock. 
Types that return ProductVariantInventoryPolicy
[ProductVariant.inventoryPolicy](https://shopify.dev/docs/admin-api/graphql/reference/products-and-collections/productvariant#inventorypolicy-2021-01)
