api.wms.v1.CreateExternalPurchaseOrderRequest(CreateExternalPurchaseOrderRequest)

{
    "clientCode": "string",
    "clientVendorCode": "string",
    "totalAmount": {
        "currencyCode": "string",
        "units": 0,
        "nanos": 0
    },
    "note": "string",
    "isDraft": true,
    "items": [
        {
            "clientSku": "string",
            "clientProductName": "string",
            "quantity": 1,
            "unitPrice": {
                "currencyCode": "string",
                "units": 0,
                "nanos": 0
            },
            "uom": "string"
        }
    ],
    "clientPoCode": "string"
}