{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "merchantName": {
      "type": "string",
      "description": "restaurant brand name on the receipt"
    },
    "storeNumber": {
      "type": "string",
      "description": "store identifier such as CA-1661"
    },
    "storeStreetAddress": {
      "type": "string",
      "description": "store street address line"
    },
    "storeCity": {
      "type": "string",
      "description": "store city"
    },
    "storeState": {
      "type": "string",
      "description": "store state abbreviation"
    },
    "storeZip": {
      "type": "string",
      "description": "store postal code"
    },
    "storePhone": {
      "type": "string",
      "description": "store phone number as printed"
    },
    "transactionDate": {
      "type": "string",
      "format": "date",
      "description": "transaction date in YYYY-MM-DD"
    },
    "transactionTime": {
      "type": "string",
      "description": "transaction time as printed, e.g. 1:00:17 PM"
    },
    "orderId": {
      "type": "string",
      "description": "order id printed on the receipt"
    },
    "registerOrTerminal": {
      "type": "string",
      "description": "register/terminal label, e.g. 47 - FIVE GUYS"
    },
    "employeeName": {
      "type": "string",
      "description": "employee name printed on the receipt"
    },
    "lineItems": {
      "type": "array",
      "description": "every printed order line, including free $0.00 toppings/modifiers",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "quantity": {
            "type": "number",
            "description": "quantity printed at start of line; 1 if none printed"
          },
          "description": {
            "type": "string",
            "description": "item or modifier name as printed"
          },
          "unitPrice": {
            "type": [
              "number",
              "null"
            ],
            "description": "per-unit price if printed in parentheses, else null"
          },
          "lineTotal": {
            "type": "number",
            "description": "dollar amount printed at the right of the line"
          },
          "isModifier": {
            "type": "boolean",
            "description": "true if this is a topping/modifier attached to the item above it"
          }
        },
        "required": [
          "quantity",
          "description",
          "lineTotal",
          "isModifier"
        ]
      }
    },
    "subtotal": {
      "type": "number",
      "description": "sub total amount before tax"
    },
    "salesTax": {
      "type": "number",
      "description": "sales tax amount"
    },
    "orderTotal": {
      "type": "number",
      "description": "order total amount including tax"
    },
    "paymentMethod": {
      "type": "string",
      "description": "payment method/card brand, e.g. MasterCard"
    },
    "cardLastFour": {
      "type": "string",
      "description": "last four digits of the payment card"
    },
    "authorizationCode": {
      "type": "string",
      "description": "payment authorization code"
    },
    "amountPaid": {
      "type": "number",
      "description": "amount charged to the payment method"
    }
  },
  "required": [
    "merchantName",
    "transactionDate",
    "lineItems",
    "subtotal",
    "salesTax",
    "orderTotal",
    "amountPaid"
  ]
}