Properties

The Radio Widget properties panel contains settings that control the radio button label, grouping, stored value, and behavior.

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General

Property	Description
Label	The text displayed next to the radio button.
Group Name	Groups this radio with other Radio Widgets that share the same group name. Only one radio in a group can be selected at a time. The selected radio's Value is stored under the group name in the form data. If left empty, the widget's own Name is used as the storage key.
Name	Internal widget identifier. Used for referencing the widget in logic or scripts.
Value	The value stored in the form data when this radio button is selected. Each radio in a group should have a unique value.
Default Selected	Sets this radio button as the selected option when the form is loaded.
Label Placement	Controls the position of the label relative to the radio button: End (right), Start (left), Top, or Bottom. Default: End.
Readonly	Prevents the user from changing the selection.
Visible	Controls whether the radio button is displayed. When unchecked, the widget is hidden but remains configured.

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Appearance

Property	Description
Text Align	Controls the horizontal alignment of the radio button and label within its container.
Size	Sets the visual size of the radio button element.

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Advanced

Property	Description
On Change Handler	When enabled, the widget fires an onChange event to the backend each time this radio button is selected. The event payload contains widgetName (the group name), widgetValue (the selected value), and widgetEvent set to "onChange".
Ignore Readonly	Overrides the Readonly setting. Allows the radio button to remain interactive even if the form or parent container is set to read-only.