It lists all available log files.
If the Log Viewer is not available, navigate to Window -> Show View -> Other…
From Workspace, select folder Log Viewer.
Now the Log Viewer is available.
Open any log file, for example, ljs_mass_cfg.log.
Log Files - goes back to the list of available log files
Refresh - refreshes the content of the opened log file (needs to be pressed if new logging event occurred)
For more information about the server-side logs and configurations, see Logging Service.Edit