ts-basic-components-checkbox.md

# Checkbox

> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.


The **\<Checkbox>** component is used to enable or disable an option.

## Required Permissions

None

## Child Components

None

## APIs

Checkbox( name?: string,  group?: string )

- Parameters
  | Name | Type| Mandatory | Default Value| Description|
  | --------| --------| ------ | -------- | -------- |
  | name    | string | No| - | Name of the check box.|
  | group   | string | No| - | Group name of the check box.|


## Attributes


| Name         | Type| Default Value| Description|
| ------------- | ------- | ------ | -------- |
| select        | bool   | false | Whether the check box is selected.|
| selectedColor | Color | - | Color of the check box when it is selected.|

## Events

| Name     | Description|
| ----------| -------- |
|onChange(callback: (value: boolean) => void) | Triggered when the selection status of the check box changes.<br>- The value **true** means that the check box is selected.<br>- The value **false** means that the check box is not selected.|

## Example

```
@Entry
@Component
struct CheckboxExample {

  build() {
    Row() {
      Checkbox({name: 'checkbox1',  group: 'checkboxGroup'})
        .select(true)
        .selectedColor(0xed6f21)
        .onChange((value: boolean) => {
          console.info('Checkbox1 change is'+ value)
        })
      Checkbox({name: 'checkbox2',  group: 'checkboxGroup'})
        .select(false)
        .selectedColor(0x39a2db)
        .onChange((value: boolean) => {
          console.info('Checkbox2 change is'+ value)
        })
    }
  }
}
```


![](figures/checkbox.gif)