method
level_notifier=

level_notifier=(value)
public
Sets the leveled notifier for this object.
When the given value is an instance of AbstractNotifier, #level_notifier is set to the given object.
When an Integer is given, #level_notifier is set to the notifier at the index value in the #notifiers Array.
If no notifier exists at the index value in the #notifiers Array, an ErrUndefinedNotifier exception is raised.
An ErrUnrecognizedLevel exception is raised if the given value is not found in the existing #notifiers Array, or an instance of AbstractNotifier