{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PurchaseOrder",
  "title": "PurchaseOrder",
  "type": "object",
  "description": "PeopleSoft purchasing purchase order.",
  "properties": {
    "BUSINESS_UNIT": {
      "type": "string",
      "description": "Business unit.",
      "example": "US001"
    },
    "PO_ID": {
      "type": "string",
      "description": "Purchase order ID.",
      "example": "PO0012345"
    },
    "VENDOR_ID": {
      "type": "string",
      "description": "Vendor ID.",
      "example": "VND001234"
    },
    "PO_DT": {
      "type": "string",
      "format": "date",
      "description": "PO date.",
      "example": "2026-04-17"
    },
    "PO_STATUS": {
      "type": "string",
      "description": "PO status.",
      "enum": [
        "O",
        "A",
        "C",
        "D",
        "X",
        "PX"
      ],
      "example": "A"
    },
    "CURRENCY_CD": {
      "type": "string",
      "description": "Currency.",
      "example": "USD"
    },
    "BUYER_ID": {
      "type": "string",
      "description": "Buyer ID.",
      "example": "BYR001"
    },
    "SHIP_TO_LOCATION": {
      "type": "string",
      "description": "Ship-to location.",
      "example": "WH001"
    },
    "LINES": {
      "type": "array",
      "description": "PO lines.",
      "items": {
        "type": "object",
        "properties": {
          "LINE_NBR": {
            "type": "integer",
            "description": "Line number.",
            "example": 1
          },
          "INV_ITEM_ID": {
            "type": "string",
            "description": "Item ID.",
            "example": "ITEM001234"
          },
          "DESCR": {
            "type": "string",
            "description": "Description.",
            "example": "Office Chair - Ergonomic"
          },
          "QTY_PO": {
            "type": "number",
            "description": "Quantity.",
            "example": 25
          },
          "PRICE_PO": {
            "type": "number",
            "description": "Unit price.",
            "example": 450.0
          },
          "UNIT_OF_MEASURE": {
            "type": "string",
            "description": "UOM.",
            "example": "EA"
          }
        }
      }
    }
  }
}