Here is shortcut i use for my firefox profile
boby@hon-pc-01:~$ cat ~/.local/share/applications/firefox-vpn.desktop [Desktop Entry] Version=1.0 Name=Firefox VPN Comment=Browse the World Wide Web GenericName=Web Browser Keywords=Internet;WWW;Browser;Web;Explorer Exec=firefox -P vpn -private-window --class=Firefox-VPN %u Terminal=false X-MultipleArgs=false Type=Application Icon=go-home Categories=GNOME;GTK;Network;WebBrowser; MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall; StartupNotify=true Actions=new-window;new-private-window; [Desktop Action new-window] Name=Open a New Window Exec=firefox -P vpn -new-window [Desktop Action new-private-window] Name=Open a New Private Window Exec=firefox -P vpn -private-window boby@hon-pc-01:~$