The name of the openable. Should be in kebab-case.
Called for every element matching the selector.
OptionalconfigValidator: null | WidgetConfigValidator<Config>A validator object, or a function that returns such an object, for all options supported by the widget.
Enables automatic setting up of an Openable widget from an elements matching its content element selector (
[data-lisn-<name>]or.lisn-<name>).The name you specify here should generally be the same name you pass in options.name to the Openable.constructor but it does not need to be the same.
See
registerWidget