---
title: setOption
---

## Summary

Set a KeymanWeb, On-Screen Keyboard or User Interface option value.

## Syntax

```c
keyman.util.setOption(optionName, value);
```

### Parameters

`optionName`
:   Type: `string`
:   The named initialization option.

`value`
:   Type: `string|Object` *optional*
:   The value the option will be set to. Clears the option's current value if left blank.

### Return Value

`undefined`

## Description

See also [`keyman.util.getOption()`](getOption).