The Fesa3 HandsOn will help you on your first steps with FESA.
GSI's FESA3 Development Guideline
The FESA-Development-Guideline shows the different GSI-specific requirements for operational FESA-software at GSI.
Event Mapping - Video Tutorial
This small video tutorial from (provided by Maria Arsuaga Rios, CERN) shows how rt-actions can be connected to different concrete-events.
Event-Mapping Part1Event-Mapping Part2
Association - Usage of the OnSubscriptionEventSource
Follow this small how-to in order to get your Class-to-Class subscription to work