Plugin > LiveTraffic > Settings.... In the "CSL" section you define how models are displayed and the paths, in which LiveTraffic looks for CSL packages on startup.
xsb_aircraft.txtfiles, which start CSL package definitions.
Resources/plugins/LiveTraffic/Resources/CSL. You can deactivate them if you only want to load models from elsewhere, but as long as these standard directories exist LiveTraffic will make sure they show up in the list.
Log.txt. So you can configure five paths to multiplayer clients in the
pluginsdirectory, and even if only one of those clients is actually really there (because the others are moved out to something like
plugins_disabled) then still LiveTraffic starts up successfully and reads from that one existing directory. Or you even refer to directories under