JSON Schema Property 'Items'

"Items": {
    "type": "array",
    "items": {
        "type": "object",
        "additionalProperties": {
            "not": {}
        },
        "properties": {
            "POLineNbr": {
                "type": "integer",
                "description": "Purchase Order line number",
                "minimum": 1
            },
            "BuyerItemId": {
                "type": "string",
                "description": "Buyer item ID",
                "maxLength": 25
            },
            "BuyerItemDesc": {
                "type": "string",
                "description": "Buyer item description",
                "maxLength": 50
            },
            "Qty": {
                "type": "number"
            },
            "QtyUOM": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/QtyUOM"
            },
            "UCValue": {
                "type": "number",
                "description": "Unit cost value"
            },
            "UCCurrencyCode": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/CurrencyCode"
            },
            "RetailValue": {
                "type": "number",
                "description": "Retail value"
            },
            "RetailCurrencyCode": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/CurrencyCode"
            },
            "ICQtyPerUOM": {
                "type": "number",
                "description": "Inner Carton quantity per Unit of Measure"
            },
            "ICUOM": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/QtyUOM"
            },
            "MCQtyPerUOM": {
                "type": "number",
                "description": "Master Carton quantity per Unit of Measure"
            },
            "MCUOM": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/QtyUOM"
            },
            "SupplierItemId": {
                "type": "string",
                "description": "Supplier item ID",
                "maxLength": 25
            },
            "BarCodeId": {
                "type": "string",
                "description": "Digital barcode representation",
                "maxLength": 14
            },
            "BarCodeType": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/BarCodeType"
            },
            "DateBeginShip": {
                "type": "string",
                "description": "Item beginning shiping date",
                "format": "date-time"
            },
            "DateEndShip": {
                "type": "string",
                "description": "Item end shipping date",
                "format": "date-time"
            },
            "DateCancel": {
                "type": "string",
                "description": "Item cancel date",
                "format": "date-time"
            },
            "TranspCode": {
                "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/TranspCode"
            },
            "ShipTo": {
                "oneOf": [
                    {
                        "$ref": "https://standards.namm.org/schema/2020.1/common.json#/definitions/Party"
                    },
                    {
                        "type": "object",
                        "properties": {
                            "Name": {
                                "type": "string",
                                "maxLength": 35
                            },
                            "Address": {
                                "#ref": "https://standards.namm.org/schema/common.json#Address"
                            }
                        },
                        "required": [
                            "Address",
                            "Name"
                        ]
                    }
                ]
            }
        },
        "required": [
            "POLineNbr",
            "BuyerItemId",
            "Qty",
            "QtyUOM",
            "UCValue",
            "UCCurrencyCode",
            "SupplierItemId",
            "BarCodeId",
            "BarCodeType"
        ]
    }
}

• /properties/PODetail (purchase_order.json)
• /properties/PODetail/additionalProperties (purchase_order.json)
• /properties/PODetail/properties/Items/items[0] (purchase_order.json)