{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/InvoiceLineItem",
  "title": "InvoiceLineItem",
  "type": "object",
  "description": "A line item on an invoice",
  "required": [
    "lineNumber",
    "description",
    "quantity",
    "unitPrice",
    "netAmount"
  ],
  "properties": {
    "lineNumber": {
      "type": "string",
      "description": "Line item number on the invoice",
      "example": "example_value"
    },
    "purchaseOrderReference": {
      "type": "string",
      "description": "Referenced purchase order number",
      "example": "example_value"
    },
    "poLineNumber": {
      "type": "string",
      "description": "Referenced purchase order line item number",
      "example": "example_value"
    },
    "description": {
      "type": "string",
      "description": "Item or service description",
      "example": "A sample description."
    },
    "quantity": {
      "type": "number",
      "format": "double",
      "description": "Invoiced quantity",
      "example": 42.5
    },
    "unitPrice": {
      "$ref": "#/components/schemas/Money"
    },
    "unitOfMeasure": {
      "$ref": "#/components/schemas/UnitOfMeasure"
    },
    "netAmount": {
      "$ref": "#/components/schemas/Money"
    },
    "taxDetail": {
      "$ref": "#/components/schemas/TaxDetail"
    },
    "commodityCode": {
      "$ref": "#/components/schemas/CommodityCode"
    },
    "buyerPartNumber": {
      "type": "string",
      "description": "Buyer part number",
      "example": "example_value"
    },
    "supplierPartNumber": {
      "type": "string",
      "description": "Supplier part number",
      "example": "example_value"
    },
    "serviceStartDate": {
      "type": "string",
      "format": "date",
      "description": "Service period start date",
      "example": "2026-01-15"
    },
    "serviceEndDate": {
      "type": "string",
      "format": "date",
      "description": "Service period end date",
      "example": "2026-01-15"
    }
  }
}