json_schema: {
    "properties": {
      "order_details": {
        "properties": {
          "customer_name": {
            "description": "The name of the customer",
            "type": "string"
          },
          "items": {
            "items": {
              "properties": {
                "name": {
                  "description": "The name of the item",
                  "type": "string"
                },
                "price": {
                  "description": "The price of the item",
                  "type": "number"
                },
                "quantity": {
                  "description": "The quantity of the item",
                  "type": "integer"
                }
              },
              "required": [
                "name",
                "quantity",
                "price"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "customer_name",
          "items"
        ],
        "type": "object"
      }
    },
    "required": [
      "order_details"
    ],
    "type": "object"
  }