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medusa-store/www/apps/docs/content/references/services/classes/LineItemAdjustment.mdx
2023-11-29 11:58:08 +00:00

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---
displayed_sidebar: servicesSidebar
---
import ParameterTypes from "@site/src/components/ParameterTypes"
# LineItemAdjustment
A Line Item Adjustment includes details on discounts applied on a line item.
## constructor
`**new LineItemAdjustment**()`
A Line Item Adjustment includes details on discounts applied on a line item.
___
## Properties
<ParameterTypes parameters={[
{
"name": "amount",
"type": "`number`",
"description": "The adjustment amount",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "description",
"type": "`string`",
"description": "The line item's adjustment description",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "discount",
"type": "[Discount](Discount.mdx)",
"description": "The details of the discount associated with the adjustment.",
"optional": false,
"defaultValue": "",
"expandable": true,
"children": []
},
{
"name": "discount_id",
"type": "`string`",
"description": "The ID of the discount associated with the adjustment",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "id",
"type": "`string`",
"description": "The Line Item Adjustment's ID",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "item",
"type": "[LineItem](LineItem.mdx)",
"description": "The details of the line item.",
"optional": false,
"defaultValue": "",
"expandable": true,
"children": []
},
{
"name": "item_id",
"type": "`string`",
"description": "The ID of the line item",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
},
{
"name": "metadata",
"type": "`Record<string, unknown>`",
"description": "An optional key-value map with additional details",
"optional": false,
"defaultValue": "",
"expandable": false,
"children": []
}
]} />
___
## Methods
### beforeInsert
`Private **beforeInsert**(): void`
#### Returns
`void`
<ParameterTypes parameters={[
{
"name": "void",
"type": "`void`",
"optional": true,
"defaultValue": "",
"description": "",
"expandable": false,
"children": []
}
]} />