> For the complete documentation index, see [llms.txt](https://docs.9proxy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.9proxy.com/developers/sdk/sdk-nodejs/functions/setconfigports-...args.md).

# setConfigPorts(...args)

Applies multiple port configurations in bulk.

```javascript
setConfigPorts(jsonBuf, len)
```

***

## Parameters

* **jsonBuf** (<mark style="color:green;">Buffer</mark>) – JSON buffer containing multiple configs.
* **len** (<mark style="color:green;">number</mark>) – Buffer length.

## Return Value

number (0 = success)

## Example JSON

```json
// JSON

{
  "60000": {
    "port": 60000,
    "country": ["US", "CA"],
    "state": "California",
    "city": "San Francisco",
    "zip": "94105",
    "isp": "Comcast",
    "refresh": true,
    "rotation": false
  }
}


```

## Example

```javascript
// example

callOrThrow(sdk.setConfigPorts, cfg, cfg.length);

```