Emitted when a ConvergenceDomain is actively attempting to authenticate.
The domain on which this event occurred.
The method of authentication that is being attempted.
The name of the event that was fired. This is commonly used to filter when using the ConvergenceEventEmitter.events stream.
Note that the name is only guaranteed to be unique within the class / subsystem that is firing it. Names might be reused across classes and subsystems.