---
displayed_sidebar: servicesSidebar
---

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

# LineItemService

## constructor

### Parameters

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

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## Properties

<ParameterTypes parameters={[{"name":"__container__","type":"`any`","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":"featureFlagRouter_","type":"`FlagRouter`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"itemTaxLineRepo_","type":"Repository&#60;[LineItemTaxLine](../../entities/classes/entities.LineItemTaxLine.mdx)&#62; & `object`","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":"manager_","type":"`EntityManager`","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":"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":"taxProviderService_","type":"[TaxProviderService](services.TaxProviderService.mdx)","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"transactionManager_","type":"`undefined` \\| `EntityManager`","description":"","optional":false,"defaultValue":"","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":[]}]} />

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## Accessors

### activeManager\_

#### Returns

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

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## Methods

### 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":[]}]} />

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### cloneTo

#### Parameters

<ParameterTypes parameters={[{"name":"ids","type":"`string` \\| `string`[]","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"data","type":"DeepPartial&#60;[LineItem](../../entities/classes/entities.LineItem.mdx)&#62;","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]},{"name":"options","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"options.setOriginalLineItemId","type":"`boolean`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### create

Create a line item

#### Type Parameters

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

#### Parameters

<ParameterTypes parameters={[{"name":"data","type":"`T`","description":"the line item object to create","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### createReturnLines

Creates return line items for a given cart based on the return items in a
return.

#### Parameters

<ParameterTypes parameters={[{"name":"returnId","type":"`string`","description":"the id to generate return items from.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"cartId","type":"`string`","description":"the cart to assign the return line items to.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### createTaxLine

Create a line item tax line.

#### Parameters

<ParameterTypes parameters={[{"name":"args","type":"DeepPartial&#60;[LineItemTaxLine](../../entities/classes/entities.LineItemTaxLine.mdx)&#62;","description":"tax line partial passed to the repo create method","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

<ParameterTypes parameters={[{"name":"LineItemTaxLine","type":"`object`","description":"A Line Item Tax Line represents the taxes applied on a line item.","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

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### delete

Deletes a line item.

#### Parameters

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

#### Returns

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

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### deleteWithTaxLines

#### Parameters

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

#### Returns

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

#### Deprecated

no the cascade on the entity takes care of it
Deletes a line item with the tax lines.

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### generate

Generate a single or multiple line item without persisting the data into the db

#### Type Parameters

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

#### Parameters

<ParameterTypes parameters={[{"name":"variantIdOrData","type":"`T`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"regionIdOrContext","type":"`T` extends `string` ? `string` : `GenerateLineItemContext`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"context","type":"`GenerateLineItemContext`","description":"","optional":false,"defaultValue":"{}","expandable":false,"children":[]},{"name":"quantity","type":"`number`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### generateLineItem

#### Parameters

<ParameterTypes parameters={[{"name":"variant","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product","type":"`object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product.discountable","type":"`boolean`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product.is_giftcard","type":"`boolean`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product.thumbnail","type":"`null` \\| `string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product.title","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.product_id","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"variant.title","type":"`string`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"quantity","type":"`number`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"context","type":"`GenerateLineItemContext` & `object`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### list

#### Parameters

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

#### Returns

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

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### retrieve

Retrieves a line item by its id.

#### Parameters

<ParameterTypes parameters={[{"name":"id","type":"`string`","description":"the id of the line item to retrieve","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"config","type":"`object`","description":"the config to be used at query building","optional":false,"defaultValue":"{}","expandable":false,"children":[]}]} />

#### Returns

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

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### 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":[]}]} />

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### update

Updates a line item

#### Parameters

<ParameterTypes parameters={[{"name":"idOrSelector","type":"`string` \\| [Selector](../../medusa/types/medusa.Selector.mdx)&#60;[LineItem](../../entities/classes/entities.LineItem.mdx)&#62;","description":"the id or selector of the line item(s) to update","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"data","type":"Partial&#60;[LineItem](../../entities/classes/entities.LineItem.mdx)&#62;","description":"the properties to update the line item(s)","optional":false,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### validateGenerateArguments

#### Type Parameters

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

#### Parameters

<ParameterTypes parameters={[{"name":"variantIdOrData","type":"`string` \\| `T`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"regionIdOrContext","type":"`T` extends `string` ? `string` : `GenerateLineItemContext`","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"quantity","type":"`number`","description":"","optional":true,"defaultValue":"","expandable":false,"children":[]}]} />

#### Returns

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

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### withTransaction

#### Parameters

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

#### Returns

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