[Home](./index.md) > [@friendlycaptcha/sdk](./sdk.md) > [FRCWidgetStateChangeEventData](./sdk.frcwidgetstatechangeeventdata.md) ## FRCWidgetStateChangeEventData interface Payload of the `"frc:widget.statechange"` event. **Signature:** ```typescript export interface FRCWidgetStateChangeEventData ``` ## Properties

Property	Modifiers	Type	Description
[error?](./sdk.frcwidgetstatechangeeventdata.error.md)		[WidgetErrorData](./sdk.widgeterrordata.md)	_(Optional)_ The error that caused the state change, if any. Undefined if `state` is not equal to `"error"`.
[id](./sdk.frcwidgetstatechangeeventdata.id.md)		string	The widget ID that the event originated from.
[mode?](./sdk.frcwidgetstatechangeeventdata.mode.md)		[WidgetMode](./sdk.widgetmode.md)	_(Optional)_ The WidgetMode returned from the API. Smart Mode intelligently chooses between One-click Mode ("interactive") and Zero-click Mode ("noninteractive"). The mode is configured in the Friendly Captcha dashboard.
[name](./sdk.frcwidgetstatechangeeventdata.name.md)		typeof [FRCWidgetStateChangeEventName](./sdk.frcwidgetstatechangeeventname.md)	`"frc:widget.statechange"`
[response](./sdk.frcwidgetstatechangeeventdata.response.md)		string	The current `frc-captcha-response` value.
[state](./sdk.frcwidgetstatechangeeventdata.state.md)		[WidgetState](./sdk.widgetstate.md)	The new state of the widget.