AnyWave:InsertMarkers
From WikiMEG
Insert markers, the basics
Insert predefined markers, depending on events to mark
The video below will show how to easily mark two different types of event in one marking session.
The marker widget tool allows the user to define a list of marker that will be available while marking, depending on what the user is marking.
For example, you can mark spike events and artifacted signal selections in one session: