Access value of variant object in shopify - shopify

Question

I have Object of the product please check below. can you please let me know that how can I get the variants value. I have tried to get variant.inventory_quantity but can not get
{
"id": 9129131982,
"title": "Universal Suction Base Adapter",
"handle": "usb-universal-suction-base-adapter",
"description": "\u003cp\u003eAll F-Machines are supplied with a Vac-u-Lock style adapter as standard, which are compatible with Doc Johnson Vac-u-Lock dildos and toys.\u003c\/p\u003e\n\u003cp\u003eF-Machine brings you the brand new Universal Suction Base (USB). This revolutionary bolt on system integrates your favourite suction (\/flared) base sex toys with either your F-Machine Pro II or Gigolo. With this fantastic innovation from the pervy engineers at F-Machine, you can now choose which style of toy to use on your machine and discover new possibilities for sexual play \u0026amp; fantasy.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to fit all F-Machine 10 mm thrust rods\u003c\/li\u003e\n\u003cli\u003eInjection moulded from shatter proof plastic composite material\u003c\/li\u003e\n\u003cli\u003eOver-moulded brass threaded insert for maximum durability and holding capacity\u003c\/li\u003e\n\u003cli\u003eOption of dildo retention via suction, O-rings or Velcro straps (or combination)\u003c\/li\u003e\n\u003cli\u003eFits dildos with suction base diameter up to 88 mm (when installed)\u003c\/li\u003e\n\u003cli\u003eSupplied with a comprehensive O-ring set and range of Velcro straps to fit most dildo sizes\u003c\/li\u003e\n\u003cli\u003eCan be used with Double Trouble\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e F-Machine fucking machine and toys are not included (for illustration purposes only).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e",
"published_at": "2016-11-25T16:29:00-11:00",
"created_at": "2016-11-25T16:36:50-11:00",
"vendor": "F-Machine",
"type": "",
"tags": [],
"price": 4900,
"price_min": 4900,
"price_max": 4900,
"available": true,
"price_varies": false,
"compare_at_price": null,
"compare_at_price_min": 0,
"compare_at_price_max": 0,
"compare_at_price_varies": false,
"variants": [{
"id": 31980207054,
"title": "Default Title",
"option1": "Default Title",
"option2": null,
"option3": null,
"sku": "",
"requires_shipping": true,
"taxable": true,
"featured_image": null,
"available": true,
"name": "Universal Suction Base Adapter",
"public_title": null,
"options": ["Default Title"],
"price": 4900,
"weight": 600,
"compare_at_price": null,
"inventory_quantity": 2,
"inventory_management": "shopify",
"inventory_policy": "deny",
"barcode": ""
}],

Answer 1

inventory_quantity was deprecated recently. Instead, you'll have to use:
https://help.shopify.com/en/api/reference/inventory/inventorylevel