OptionalcontainerCSS selector of the notification container element.
OptionalmaxMaximum number of simultaneously visible temporary toasts.
OptionalmaxMaximum number of simultaneously visible persistent toasts.
OptionaldurationsPer-type auto-dismiss durations in milliseconds.
OptionalpositionToast anchor position.
OptionalanimationsWhether CSS enter/exit animations are enabled.
Configuration object accepted by
NotificationSystem.init().All fields are optional — missing fields retain their built-in defaults.