{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PurchaseOrder",
  "title": "PurchaseOrder",
  "type": "object",
  "description": "A purchase order header",
  "properties": {
    "orderId": {
      "type": "integer",
      "description": "Order number"
    },
    "supplier": {
      "type": "integer",
      "description": "Supplier number"
    },
    "status": {
      "type": "string",
      "enum": [
        "W",
        "A",
        "C",
        "T",
        "D"
      ],
      "description": "W=Worksheet, A=Approved, C=Closed, T=Terminated, D=Deleted"
    },
    "orderDate": {
      "type": "string",
      "format": "date"
    },
    "notBeforeDate": {
      "type": "string",
      "format": "date"
    },
    "notAfterDate": {
      "type": "string",
      "format": "date"
    },
    "freightTerms": {
      "type": "string"
    },
    "paymentTerms": {
      "type": "string"
    },
    "currencyCode": {
      "type": "string",
      "maxLength": 3
    },
    "totalCost": {
      "type": "number",
      "format": "double"
    },
    "totalRetail": {
      "type": "number",
      "format": "double"
    },
    "createDatetime": {
      "type": "string",
      "format": "date-time"
    },
    "lastUpdateDatetime": {
      "type": "string",
      "format": "date-time"
    }
  }
}