{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/LineItemModel",
  "title": "LineItemModel",
  "type": "object",
  "required": [
    "amount"
  ],
  "properties": {
    "number": {
      "type": "string",
      "description": "Line number within the transaction"
    },
    "quantity": {
      "type": "number",
      "format": "double",
      "default": 1,
      "description": "Quantity of items"
    },
    "amount": {
      "type": "number",
      "format": "double",
      "description": "Total amount for this line"
    },
    "taxCode": {
      "type": "string",
      "description": "Tax code for this line item"
    },
    "itemCode": {
      "type": "string",
      "description": "Item code for the product or service"
    },
    "description": {
      "type": "string",
      "description": "Description of the line item"
    },
    "addresses": {
      "type": "object",
      "properties": {
        "shipFrom": {
          "$ref": "#/components/schemas/AddressInfo"
        },
        "shipTo": {
          "$ref": "#/components/schemas/AddressInfo"
        }
      }
    },
    "exemptionCode": {
      "type": "string",
      "description": "Exemption code for tax-exempt purchases"
    }
  }
}