# OTPInputEventBuilder

## Methods

### Change(System.String)

Fired when the value of the widget is changed by the user.The event handler function context (available through the keyword this) will be set to the widget instance.

For more information see [Change](https://docs.telerik.com/kendo-ui/api/ui/otpinput/events/change) event.

#### Parameters

##### handler - `System.String`

The name of the JavaScript function that will handle the change event.

#### RETURNS

Returns the current [OTPInputEventBuilder](https://www.telerik.com/aspnet-core-ui/documentation/api/kendo.mvc.ui.fluent/otpinputeventbuilder) instance.

### Change(System.Func)

Fired when the value of the widget is changed by the user.The event handler function context (available through the keyword this) will be set to the widget instance.

For more information see [Change](https://docs.telerik.com/kendo-ui/api/ui/otpinput/events/change) event.

#### Parameters

##### handler - `System.Func<Object,Object>`

The handler code wrapped in a text tag.

#### RETURNS

Returns the current [OTPInputEventBuilder](https://www.telerik.com/aspnet-core-ui/documentation/api/kendo.mvc.ui.fluent/otpinputeventbuilder) instance.

### KendoKeydown(System.String)

Defines the handler of the KendoKeydown client-side event. Triggered when the user presses a keyboard key while the OTPInput is focused.The event handler function context (available via the this keyword) will be set to the widget instance.

For more information see [KendoKeydown](https://docs.telerik.com/kendo-ui/api/ui/otpinput/events/kendokeydown) event.

#### Parameters

##### handler - `System.String`

The name of the JavaScript function that will handle the KendoKeydown event.

#### RETURNS

Returns the current instance of [OTPInputEventBuilder](https://www.telerik.com/aspnet-core-ui/documentation/api/kendo.mvc.ui.fluent/otpinputeventbuilder) .

### KendoKeydown(System.Func)

Defines the handler of the KendoKeydown client-side event. Triggered when the user presses a keyboard key while the OTPInput is focused.The event handler function context (available via the this keyword) will be set to the widget instance.

For more information see [KendoKeydown](https://docs.telerik.com/kendo-ui/api/ui/otpinput/events/kendokeydown) event.

#### Parameters

##### handler - `System.Func<Object,Object>`

The handler code wrapped in a text tag.

#### RETURNS

Returns the current instance of [OTPInputEventBuilder](https://www.telerik.com/aspnet-core-ui/documentation/api/kendo.mvc.ui.fluent/otpinputeventbuilder) .