# `ui:checkbox` (string $name, mixed $value = null, array $attributes = [], array $options = [])

Built on top of `ui:radio` component, which itself extends `ui:input`.

The following attributes are assigned by this extension :

- `'class' => "ui-checkbox"` 
- `'type' => "checkbox"`

and will typically be rendered such as :
```html
<input class="ui-checkbox" type="checkbox" value="$value" name="$name">
```