GraphQL API
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checkoutItemsAdd
Adds a checkout item to the existing checkout. If the item was already in checkout, its quantity will be increased.
checkoutLinesAdd(
checkoutId: ID
lines: [CheckoutLineInput]!
): CheckoutLinesAdd

Arguments

checkoutId (ID)
The ID of the checkout.
A list of checkout items, each containing information about an item in the checkout.

Type

Adds a checkout item to the existing checkout. If line was already in checkout, its quantity will be increased.
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