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title: "CartLine"
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CartLine is a union type that represents a store's cart line items. Cart line items are a collection of items that have been added to a cart. A line item can have one or more of the same items in it.

## Possible types

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[`AmazonCartLine`](/api-reference/amazoncartline)

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[`ShopifyCartLine`](/api-reference/shopifycartline)

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