Chapter 1 What’s New for FortiOS 5.2.1 : New features in FortiOS 5.2 Patch 1 : Log id-fields reference improvements
  
Log id-fields reference improvements
This improvement is to make a complete reference for each log id with its corresponding fields in FortiOS.
CLI changes
Add new endpoint and ha subcategories into config log eventfilter
Syntax
config log eventfilter
set endpoint Enable/disable
set ha Enable/disable
end
GUI changes
Add subtype log filter options named Endpoint and HA under Event Log