JSON Schema Property 'PODetail'

"PODetail": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
        "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"
                ]
            }
        }
    }
}

• / (purchase_order.json)
• /additionalProperties (purchase_order.json)
• /properties/PODetail/additionalProperties (purchase_order.json)