AdminAddDraftOrderItems

{
    "items": [
        {
            "quantity": 0,
            "variant_id": "string",
            "title": "string",
            "unit_price": 0,
            "compare_at_unit_price": 0,
            "internal_note": "string",
            "allow_backorder": true,
            "metadata": {}
        }
    ]
}