# setSoftphoneWidth() for Salesforce Classic

## Usage

Sets the softphone width in pixels for the Salesforce console.

:::note
If this method is used in a Salesforce console where multi-monitor components is turned on, an error will be returned because resizing multi-monitor component is not allowed.
:::

## Syntax

```javascript
sforce.interaction.cti.setSoftphoneWidth(width:number, (optional) callback:function)
```

## Arguments

| Name       | Type     | Description                                                                             |
| ---------- | -------- | --------------------------------------------------------------------------------------- |
| `width`    | number   | Softphone width in pixels. The width should be a number that’s equal or greater than 0. |
| `callback` | function | JavaScript method executed when the API method call is completed.                       |

## Sample Code–JavaScript

```javascript
<html>
<head>
   <script type="text/javascript" src="http://domain:port/support/api/25.0/interaction.js"></script>
   <script type="text/javascript">
       var callback = function (response) {
           if (response.result) {
              alert('Width was set successfully.');
           }
           else {
              alert('Width was not set successfully.');
           }
        };
</script>
</head>
<body>
       <button onclick="sforce.interaction.cti.setSoftphoneWidth(100, callback);">
       set softphone width to 100px
       </button>
</body>
</html>
```

## Response

This method is asynchronous. The response is returned in an object passed to a callback method. The response object contains the following fields.

| Name     | Type    | Description                                                                                                                 |
| -------- | ------- | --------------------------------------------------------------------------------------------------------------------------- |
| `result` | boolean | `true` if the width was set successfully, `false` if setting the width wasn’t successful.                                   |
| `error`  | string  | If the API call was successful, this variable is undefined. If the API call failed, this variable returns an error message. |