# Checkbox

(part of package '[Bootstrap Components](/reference/servoyextensions/packages/ui-component-packages/bootstrap-components.md)')\
Extends designtime/SolutionModel: [JSWebComponent](/reference/servoycore/dev-api/solutionmodel/jswebcomponent.md)\
Extends runtime: [RuntimeWebComponent](/reference/servoycore/dev-api/forms/runtimeform/elements/runtimewebcomponent.md)

This is a reference page; many components have detailed usage guides [here](https://docs.servoy.com/guides/develop/application-design/ui-components).

## Properties

### dataProviderID

Checkbox is a standard input component that can have two states: checked and unchecked. Type: [Dataprovider](/reference/servoy-developer/component_and_service_property_types.md#dataprovider)

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### enabled

Flag indicating whether the checkbox is enabled for user interaction. Type: [Enabled](/reference/servoy-developer/component_and_service_property_types.md#protected) Default Value: true

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### selectedValue

The value returned when the checkbox is checked (default is 1) Type: [String](/reference/servoycore/dev-api/js-lib/string.md)

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### showAs

Option whether checkbox text is shown as plain text, sanitized html or trusted html (as is). Type: [String](/reference/servoycore/dev-api/js-lib/string.md)

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### styleClass

Set the styleclasses that should be applied at to this component Type: [Styleclass](/reference/servoy-developer/component_and_service_property_types.md#styleclass) Default Value: "checkbox"

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### tabSeq

Tab sequence order for keyboard navigation. Type: [Tabseq](/reference/servoy-developer/component_and_service_property_types.md#tabseq)

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### text

The text label displayed next to the checkbox. Type: [Tagstring](/reference/servoy-developer/component_and_service_property_types.md#tagstring) Default Value: "Checkbox"

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### toolTipText

Tooltip text displayed when hovering over the checkbox. Type: [Tagstring](/reference/servoy-developer/component_and_service_property_types.md#tagstring)

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### visible

Whether the button is visible or not Type: [Visible](/reference/servoy-developer/component_and_service_property_types.md#visible)

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## Events

### onActionMethodID(event,dataTarget)

Click event. dataTarget parameter is used to identify inner html elements (by their data-target attribute)

**Parameters:**

> * {[JSEvent](/reference/servoycore/dev-api/application/jsevent.md)} event The event object containing details about the click event (e.g. target element, mouse coordinates)
> * {[String](/reference/servoycore/dev-api/js-lib/string.md)} dataTarget The identifier for inner html elements defined by their data-target attribute

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### onDataChangeMethodID(oldValue,newValue,event)

Handle changed data, return false if the value should not be accepted.\
JSEvent.data will contain extra information about dataproviderid, its scope and the scope id (record datasource or form/global variable scope)

**Parameters:**

> * {[${dataproviderType}](/reference/servoy-developer/component_and_service_property_types.md#dataprovider)} oldValue The previous value from the data provider
> * {[${dataproviderType}](/reference/servoy-developer/component_and_service_property_types.md#dataprovider)} newValue The new value to be set in the data provider
> * {[JSEvent](/reference/servoycore/dev-api/application/jsevent.md)} event The event object associated with the data change

**Returns:** {[Boolean](/reference/servoycore/dev-api/js-lib/boolean.md)}

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### onFocusGainedMethodID(event)

**@param** {JSEvent} event The event object containing details about the focus gained event (e.g. target element, timestamp)

**Parameters:**

> * {[JSEvent](/reference/servoycore/dev-api/application/jsevent.md)} event

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### onFocusLostMethodID(event)

**@param** {JSEvent} event The event object containing details about the focus lost event (e.g. target element, timestamp)

**Parameters:**

> * {[JSEvent](/reference/servoycore/dev-api/application/jsevent.md)} event

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## API

### requestFocus(mustExecuteOnFocusGainedMethod)

Request the focus to this checkbox.

**Example:**

```js
myElement.requestFocus();
```

**Parameters:**

> * {[Boolean](/reference/servoycore/dev-api/js-lib/boolean.md)} \[mustExecuteOnFocusGainedMethod] If false will not execute the onFocusGained method; the default value is true

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