To launch session settings from the menu -> Preferences -> LXQt settings -> session settings. From LXQt configuration center press the button that looks like a triangular blue flag and is labeled with session settings. To run session settings from the command line run
To launch Desktop notifications from the menu -> Prefrences -> LXQt settings -> Desktop Notifications. In lxqt-configuration center press the Desktop Notification button which looks like a giant !. To launch the configuration from the command line run