i using rest api to populate a third party warehouse ERP system. 

When creating a new bundle product there is no information on the "bundled" items. 

"

{
    "product": {
        "title": "PROMO Pro Mechanic Summer Pack 2020",
        "id": 8938,
        "created_at": "2020-07-17T11:00:16Z",
        "updated_at": "2020-07-20T14:44:41Z",
        "type": "woosb",
        "status": "publish",
        "downloadable": false,
        "virtual": false,
        "permalink": "xxxxxxx",
        "sku": "pro-summer-pack",
        "price": "xxxxxxx",
        "regular_price": "xxxxxxx",
        "sale_price": "xxxxxxx",
        "price_html": "<del><span class="woocommerce-Price-amount amount"><span class="woocommerce-Price-currencySymbol">€</span>xxxxxxx</span></del> <ins><span class="woocommerce-Price-amount amount"><span class="woocommerce-Price-currencySymbol">€</span>xxxxxxx</span></ins>",
        "taxable": true,
        "tax_status": "taxable",
        "tax_class": "",
        "managing_stock": true,
        "stock_quantity": 69,
        "in_stock": true,
        "backorders_allowed": false,
        "backordered": false,
        "sold_individually": false,
        "purchaseable": true,
        "featured": false,
        "visible": false,
        "catalog_visibility": "hidden",
        "on_sale": true,
        "product_url": "",
        "button_text": "",
        "weight": "3",
        "dimensions": {
            "length": "",
            "width": "",
            "height": "",
            "unit": "mm"
        },
        "shipping_required": true,
        "shipping_taxable": true,
        "shipping_class": "",
        "shipping_class_id": null,
        "description": "

        "related_ids": [
            30,
            7265,
            29,
            4879
        ],
        "upsell_ids": [
            483,
            158,
            29,
            30,
            504,
            255,
            23
        ],
        "cross_sell_ids": [],
        "parent_id": 0,
        "categories": [
            "Special Offers"
        ],
        "tags": [],
        "images": [
        "attributes": [
            {
                "name": "Bundle Product",
                "slug": "bundle-product",
                "position": 1,
                "visible": false,
                "variation": false,
                "options": [
                    "Bundle Product"
                ]
            }
        ],
        "downloads": [],
        "download_limit": -1,
        "download_expiry": -1,
        "download_type": "standard",
        "purchase_note": "",
        "total_sales": 1,
        "variations": [],
        "parent": [],
        "grouped_products": [],
        "menu_order": 17
    }
}