SaveExternalPurchaseRequest

{
    "identity": "string",
    "clientId": 0,
    "receiptNo": "string",
    "purchaseDate": "string",
    "locationId": 0,
    "amountReceived": 0,
    "inventoryItem": [
        {
            "inventoryId": 0,
            "quantity": 0,
            "price": 0,
            "pointsRedeem": 0,
            "pointsEarn": 0
        }
    ]
}