---
displayed_sidebar: servicesSidebar
---

import ParameterTypes from "@site/src/components/ParameterTypes"

# CartService

## constructor

### Parameters

<ParameterTypes parameters={[{"name":"__namedParameters","type":"`InjectedDependencies`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

___

## Properties

<ParameterTypes parameters={[{"name":"__container__","type":"`any`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"addressRepository_","type":"Repository&#60;[Address](../../entities/classes/entities.Address.mdx)&#62;","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"cartRepository_","type":"Repository&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62; & `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"customShippingOptionService_","type":"[CustomShippingOptionService](services.CustomShippingOptionService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"customerService_","type":"[CustomerService](services.CustomerService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"discountService_","type":"[DiscountService](services.DiscountService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"eventBus_","type":"[EventBusService](services.EventBusService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"featureFlagRouter_","type":"`FlagRouter`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"giftCardService_","type":"[GiftCardService](services.GiftCardService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemAdjustmentService_","type":"[LineItemAdjustmentService](services.LineItemAdjustmentService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemRepository_","type":"Repository&#60;[LineItem](../../entities/classes/entities.LineItem.mdx)&#62; & `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemService_","type":"[LineItemService](services.LineItemService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"manager_","type":"`EntityManager`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"newTotalsService_","type":"[NewTotalsService](services.NewTotalsService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"paymentProviderService_","type":"[PaymentProviderService](services.PaymentProviderService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"paymentSessionRepository_","type":"Repository&#60;[PaymentSession](../../entities/classes/entities.PaymentSession.mdx)&#62;","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"priceSelectionStrategy_","type":"[IPriceSelectionStrategy](../../medusa/interfaces/medusa.IPriceSelectionStrategy.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"pricingService_","type":"[PricingService](services.PricingService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"productService_","type":"[ProductService](services.ProductService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"productVariantInventoryService_","type":"[ProductVariantInventoryService](services.ProductVariantInventoryService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"productVariantService_","type":"[ProductVariantService](services.ProductVariantService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"regionService_","type":"[RegionService](services.RegionService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"remoteLink_","type":"`RemoteLink`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"remoteQuery_","type":"[RemoteQueryFunction](../../types/ModulesSdkTypes/types/types.ModulesSdkTypes.RemoteQueryFunction.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"salesChannelService_","type":"[SalesChannelService](services.SalesChannelService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"shippingMethodRepository_","type":"Repository&#60;[ShippingMethod](../../entities/classes/entities.ShippingMethod.mdx)&#62;","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"shippingOptionService_","type":"[ShippingOptionService](services.ShippingOptionService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"shippingProfileService_","type":"[ShippingProfileService](services.ShippingProfileService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"storeService_","type":"[StoreService](services.StoreService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"taxProviderService_","type":"[TaxProviderService](services.TaxProviderService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"totalsService_","type":"[TotalsService](services.TotalsService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"transactionManager_","type":"`undefined` \\| `EntityManager`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"Events","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"Events.CREATED","type":"`string`","description":"","optional":false,"defaultValue":"\"cart.created\"","expandable":false,"children":[]},{"name":"Events.CUSTOMER_UPDATED","type":"`string`","description":"","optional":false,"defaultValue":"\"cart.customer_updated\"","expandable":false,"children":[]},{"name":"Events.UPDATED","type":"`string`","description":"","optional":false,"defaultValue":"\"cart.updated\"","expandable":false,"children":[]},{"name":"__configModule__","type":"`Record<string, unknown>`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"__moduleDeclaration__","type":"`Record<string, unknown>`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

___

## Accessors

### activeManager\_

#### Returns

<ParameterTypes parameters={[{"name":"EntityManager","type":"`EntityManager`","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

___

## Methods

### addLineItem

Adds a line item to the cart.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart that we will add to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItem","type":"[LineItem](../../entities/classes/entities.LineItem.mdx)","description":"the line item to add.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config","type":"`object`","description":"validateSalesChannels - should check if product belongs to the same sales channel as cart\n                           (if cart has associated sales channel)","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config.validateSalesChannels","type":"`boolean`","description":"","optional":false,"defaultValue":"true","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

#### Deprecated

Use [addOrUpdateLineItems](services.CartService.mdx#addorupdatelineitems) instead.

### addOrUpdateLineItems

Adds or update one or multiple line items to the cart. It also update all existing items in the cart
to have has\_shipping to false. Finally, the adjustments will be updated.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart that we will add to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItems","type":"[LineItem](../../entities/classes/entities.LineItem.mdx) \\| [LineItem](../../entities/classes/entities.LineItem.mdx)[]","description":"the line items to add.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config","type":"`object`","description":"validateSalesChannels - should check if product belongs to the same sales channel as cart\n                           (if cart has associated sales channel)","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config.validateSalesChannels","type":"`boolean`","description":"","optional":false,"defaultValue":"true","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### addShippingMethod

Adds the shipping method to the list of shipping methods associated with
the cart. Shipping Methods are the ways that an order is shipped, whereas a
Shipping Option is a possible way to ship an order. Shipping Methods may
also have additional details in the data field such as an id for a package
shop.

#### Parameters

<ParameterTypes parameters={[{"name":"cartOrId","type":"`string` \\| [Cart](../../entities/classes/entities.Cart.mdx)","description":"the id of the cart to add shipping method to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"optionId","type":"`string`","description":"id of shipping option to add as valid method","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"data","type":"`Record<string, unknown>`","description":"the fulmillment data for the method","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### adjustFreeShipping\_

Ensures shipping total on cart is correct in regards to a potential free
shipping discount
If a free shipping is present, we set shipping methods price to 0
if a free shipping was present, we set shipping methods to original amount

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to adjust free shipping for","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"shouldAdd","type":"`boolean`","description":"flag to indicate, if we should add or remove","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"void","expandable":false,"children":[]}]} />

### applyDiscount

Updates the cart's discounts.
If discount besides free shipping is already applied, this
will be overwritten
Throws if discount regions does not include the cart region

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"discountCode","type":"`string`","description":"the discount code","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"Updates the cart's discounts.\nIf discount besides free shipping is already applied, this\nwill be overwritten\nThrows if discount regions does not include the cart region","expandable":false,"children":[]}]} />

### applyDiscounts

Updates the cart's discounts.
If discount besides free shipping is already applied, this
will be overwritten
Throws if discount regions does not include the cart region

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"discountCodes","type":"`string`[]","description":"the discount code(s) to apply","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"Updates the cart's discounts.\nIf discount besides free shipping is already applied, this\nwill be overwritten\nThrows if discount regions does not include the cart region","expandable":false,"children":[]}]} />

### applyGiftCard\_

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"code","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### atomicPhase\_

Wraps some work within a transactional block. If the service already has
a transaction manager attached this will be reused, otherwise a new
transaction manager is created.

#### Type Parameters

<ParameterTypes parameters={[{"name":"TResult","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"TError","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Parameters

<ParameterTypes parameters={[{"name":"work","type":"(`transactionManager`: `EntityManager`) => Promise&#60;TResult&#62;","description":"the transactional work to be done","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"isolationOrErrorHandler","type":"`IsolationLevel` \\| (`error`: TError) => Promise&#60;void \\| TResult&#62;","description":"the isolation level to be used for the work.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"maybeErrorHandlerOrDontFail","type":"(`error`: TError) => Promise&#60;void \\| TResult&#62;","description":"Potential error handler","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;TResult&#62;","optional":false,"defaultValue":"","description":"the result of the transactional work","expandable":false,"children":[]}]} />

### authorizePayment

Authorizes a payment for a cart.
Will authorize with chosen payment provider. This will return
a payment object, that we will use to update our cart payment with.
Additionally, if the payment does not require more or fails, we will
set the payment on the cart.

#### Parameters

<ParameterTypes parameters={[{"name":"cartOrId","type":"`string` \\| [WithRequiredProperty](../../medusa/types/medusa.WithRequiredProperty.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx), \"total\"&#62;","description":"the id of the cart to authorize payment for","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"context","type":"`Record<string, unknown>`","description":"object containing whatever is relevant for\n   authorizing the payment with the payment provider. As an example,\n   this could be IP address or similar for fraud handling.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the resulting cart","expandable":false,"children":[]}]} />

### create

Creates a cart.

#### Parameters

<ParameterTypes parameters={[{"name":"data","type":"`CartCreateProps`","description":"the data to create the cart with","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the result of the create operation","expandable":false,"children":[]}]} />

### createOrFetchGuestCustomerFromEmail\_

Creates or fetches a user based on an email.

#### Parameters

<ParameterTypes parameters={[{"name":"email","type":"`string`","description":"the email to use","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Customer](../../entities/classes/entities.Customer.mdx)&#62;","optional":false,"defaultValue":"","description":"the resultign customer object","expandable":false,"children":[]}]} />

### createTaxLines

#### Parameters

<ParameterTypes parameters={[{"name":"cartOrId","type":"`string` \\| [Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### decorateTotals

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"totalsConfig","type":"`TotalsConfig`","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[WithRequiredProperty](../../medusa/types/medusa.WithRequiredProperty.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx), \"total\"&#62;&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### decorateTotals\_

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"totalsToSelect","type":"[TotalField](../../medusa/types/medusa.TotalField.mdx)[]","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"options","type":"`TotalsConfig`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

#### Deprecated

Use decorateTotals instead

### delete

Deletes a cart from the database. Completed carts cannot be deleted.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to delete","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the deleted cart or undefined if the cart was not found.","expandable":false,"children":[]}]} />

### deletePaymentSession

Removes a payment session from the cart.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to remove from","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"providerId","type":"`string`","description":"the id of the provider whose payment session\n   should be removed.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the resulting cart.","expandable":false,"children":[]}]} />

### deleteTaxLines

#### Parameters

<ParameterTypes parameters={[{"name":"id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### findCustomShippingOption

Finds the cart's custom shipping options based on the passed option id.
throws if custom options is not empty and no shipping option corresponds to optionId

#### Parameters

<ParameterTypes parameters={[{"name":"cartCustomShippingOptions","type":"[CustomShippingOption](../../entities/classes/entities.CustomShippingOption.mdx)[]","description":"the cart's custom shipping options","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"optionId","type":"`string`","description":"id of the normal or custom shipping option to find in the cartCustomShippingOptions","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"undefined \\| CustomShippingOption","type":"`undefined` \\| [CustomShippingOption](../../entities/classes/entities.CustomShippingOption.mdx)","optional":false,"defaultValue":"","description":"custom shipping option","expandable":false,"children":[]}]} />

### getTotalsRelations

#### Parameters

<ParameterTypes parameters={[{"name":"config","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"string[]","type":"`string`[]","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### getValidatedSalesChannel

#### Parameters

<ParameterTypes parameters={[{"name":"salesChannelId","type":"`string`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[SalesChannel](../../entities/classes/entities.SalesChannel.mdx)&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### list

#### Parameters

<ParameterTypes parameters={[{"name":"selector","type":"`FilterableCartProps`","description":"the query object for find","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"config object","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)[]&#62;","optional":false,"defaultValue":"","description":"the result of the find operation","expandable":false,"children":[]}]} />

### onSalesChannelChange

Remove the cart line item that does not belongs to the newly assigned sales channel

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"The cart being updated","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"newSalesChannelId","type":"`string`","description":"The new sales channel being assigned to the cart","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"void","expandable":false,"children":[]}]} />

### refreshAdjustments\_

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### refreshPaymentSession

Refreshes a payment session on a cart

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to remove from","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"providerId","type":"`string`","description":"the id of the provider whose payment session\n   should be removed.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the resulting cart.","expandable":false,"children":[]}]} />

### removeDiscount

Removes a discount based on a discount code.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to remove from","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"discountCode","type":"`string`","description":"the discount code to remove","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the resulting cart","expandable":false,"children":[]}]} />

### removeLineItem

Removes a line item from the cart.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart that we will remove from","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemId","type":"`string` \\| `string`[]","description":"the line item(s) to remove.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### retrieve

Gets a cart by id.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to get.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"options","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"the options to get a cart","optional":false,"defaultValue":"{}","expandable":false,"children":[]},{"name":"totalsConfig","type":"`TotalsConfig`","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the cart document.","expandable":false,"children":[]}]} />

### retrieveLegacy

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"options","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]},{"name":"totalsConfig","type":"`TotalsConfig`","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

#### Deprecated

### retrieveWithTotals

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"options","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]},{"name":"totalsConfig","type":"`TotalsConfig`","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[WithRequiredProperty](../../medusa/types/medusa.WithRequiredProperty.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx), \"total\"&#62;&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### setMetadata

Dedicated method to set metadata for a cart.
To ensure that plugins does not overwrite each
others metadata fields, setMetadata is provided.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the cart to apply metadata to.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"key","type":"`string`","description":"key for metadata field","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"value","type":"`string` \\| `number`","description":"value for metadata field.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"resolves to the updated result.","expandable":false,"children":[]}]} />

### setPaymentSession

Selects a payment session for a cart and creates a payment object in the external provider system

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to add payment method to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"providerId","type":"`string`","description":"the id of the provider to be set to the cart","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"Selects a payment session for a cart and creates a payment object in the external provider system","expandable":false,"children":[]}]} />

### setPaymentSessions

Creates, updates and sets payment sessions associated with the cart. The
first time the method is called payment sessions will be created for each
provider. Additional calls will ensure that payment sessions have correct
amounts, currencies, etc. as well as make sure to filter payment sessions
that are not available for the cart's region.

#### Parameters

<ParameterTypes parameters={[{"name":"cartOrCartId","type":"`string` \\| [WithRequiredProperty](../../medusa/types/medusa.WithRequiredProperty.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx), \"total\"&#62;","description":"the id of the cart to set payment session for","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation.","expandable":false,"children":[]}]} />

### setRegion\_

Set's the region of a cart.

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to set region on","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"regionId","type":"`string`","description":"the id of the region to set the region to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"countryCode","type":"`null` \\| `string`","description":"the country code to set the country to","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### shouldRetryTransaction\_

#### Parameters

<ParameterTypes parameters={[{"name":"err","type":"`Record<string, unknown>` \\| `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"boolean","type":"`boolean`","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### transformQueryForTotals\_

#### Parameters

<ParameterTypes parameters={[{"name":"config","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"FindConfig","type":"[FindConfig](../../medusa/interfaces/medusa.FindConfig.mdx)&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]},{"name":"totalsToSelect","type":"[TotalField](../../medusa/types/medusa.TotalField.mdx)[]","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

### update

#### Parameters

<ParameterTypes parameters={[{"name":"cartOrId","type":"`string` \\| [Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"data","type":"`CartUpdateProps`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### updateBillingAddress\_

Updates the cart's billing address.

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"addressOrId","type":"`string` \\| [AddressPayload](../../medusa/classes/medusa.AddressPayload.mdx) \\| Partial&#60;[Address](../../entities/classes/entities.Address.mdx)&#62;","description":"the value to set the billing address to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"addrRepo","type":"Repository&#60;[Address](../../entities/classes/entities.Address.mdx)&#62;","description":"the repository to use for address updates","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### updateCustomerId\_

Sets the customer id of a cart

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to add email to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"customerId","type":"`string`","description":"the customer to add to cart","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### updateLineItem

Updates a cart's existing line item.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemId","type":"`string`","description":"the id of the line item to update.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"update","type":"`LineItemUpdate`","description":"the line item to update. Must include an id field.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### updatePaymentSession

Updates the currently selected payment session.

#### Parameters

<ParameterTypes parameters={[{"name":"cartId","type":"`string`","description":"the id of the cart to update the payment session for","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"update","type":"`Record<string, unknown>`","description":"the data to update the payment session with","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;[Cart](../../entities/classes/entities.Cart.mdx)&#62;","optional":false,"defaultValue":"","description":"the resulting cart","expandable":false,"children":[]}]} />

### updateShippingAddress\_

Updates the cart's shipping address.

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"the cart to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"addressOrId","type":"`string` \\| [AddressPayload](../../medusa/classes/medusa.AddressPayload.mdx) \\| Partial&#60;[Address](../../entities/classes/entities.Address.mdx)&#62;","description":"the value to set the shipping address to","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"addrRepo","type":"Repository&#60;[Address](../../entities/classes/entities.Address.mdx)&#62;","description":"the repository to use for address updates","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"the result of the update operation","expandable":false,"children":[]}]} />

### updateUnitPrices\_

#### Parameters

<ParameterTypes parameters={[{"name":"cart","type":"[Cart](../../entities/classes/entities.Cart.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"regionId","type":"`string`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"customer_id","type":"`string`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;void&#62;","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />

### validateLineItem

Check if line item's variant belongs to the cart's sales channel.

#### Parameters

<ParameterTypes parameters={[{"name":"sales_channel_id","type":"`object`","description":"the cart for the line item","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"sales_channel_id.sales_channel_id","type":"`null` \\| `string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItem","type":"`LineItemValidateData`","description":"the line item being added","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"Promise","type":"Promise&#60;boolean&#62;","optional":false,"defaultValue":"","description":"a boolean indicating validation result","expandable":false,"children":[]}]} />

### validateLineItemShipping\_

Checks if a given line item has a shipping method that can fulfill it.
Returns true if all products in the cart can be fulfilled with the current
shipping methods.

#### Parameters

<ParameterTypes parameters={[{"name":"shippingMethods","type":"[ShippingMethod](../../entities/classes/entities.ShippingMethod.mdx)[]","description":"the set of shipping methods to check from","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"lineItemShippingProfiledId","type":"`string`","description":"the line item","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"boolean","type":"`boolean`","optional":false,"defaultValue":"","description":"boolean representing whether shipping method is validated","expandable":false,"children":[]}]} />

### withTransaction

#### Parameters

<ParameterTypes parameters={[{"name":"transactionManager","type":"`EntityManager`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"this","type":"`this`","optional":false,"defaultValue":"","description":"","expandable":false,"children":[]}]} />