---
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": []
  }
]} />

___

## Properties

<ParameterTypes parameters={[
  {
    "name": "__configModule__",
    "type": "`Record<string, unknown>`",
    "description": "",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "__container__",
    "type": "`any`",
    "description": "",
    "optional": false,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "__moduleDeclaration__",
    "type": "`Record<string, unknown>`",
    "description": "",
    "optional": true,
    "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": []
  }
]} />

___

## Accessors

### activeManager\_

#### Returns

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

___

## 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": []
  }
]} />

___

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

___

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

___

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

___

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

___

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

___

### 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.

___

### 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": "quantity",
    "type": "`number`",
    "description": "",
    "optional": true,
    "defaultValue": "",
    "expandable": false,
    "children": []
  },
  {
    "name": "context",
    "type": "`GenerateLineItemContext`",
    "description": "",
    "optional": false,
    "defaultValue": "{}",
    "expandable": false,
    "children": []
  }
]} />

#### Returns

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

___

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

___

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

___

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

___

### 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": true,
    "defaultValue": "",
    "description": "",
    "expandable": false,
    "children": []
  }
]} />

___

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

___

### 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": true,
    "defaultValue": "",
    "description": "",
    "expandable": false,
    "children": []
  }
]} />

___

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