---
title:
  en-US: HeaderSearch
  zh-CN: HeaderSearch
subtitle: Top search box
cols: 1
order: 8
---

Usually placed as an entry to the global search, placed on the right side of the navigation toolbar.

## API

参数 | 说明 | 类型 | 默认值
----|------|-----|------
placeholder | placeholder text | string | -
dataSource | current list of prompts | string[] | -
onSearch | Called when searching items. | function(value) | -
onChange | Called when select an option or input value change, or value of input is changed | function(value) | -
onSelect | Called when a option is selected. param is option's value and option instance. | function(value) | -
onPressEnter | Callback when pressing Enter | function(value) | -
onVisibleChange | Show or hide the callback of the text box | function(value) |-
defaultOpen | The input box is displayed for the first time. | boolean | false
open | The input box is displayed | booelan |false