{ pkgs, ... }: let thunderbirdWorkDesktopItem = pkgs.makeDesktopItem { name = "thunderbird-work"; desktopName = "Thunderbird Work"; icon = "thunderbird"; exec = "thunderbird -p work"; }; thunderbirdCloonarDesktopItem = pkgs.makeDesktopItem { name = "thunderbird-cloonar"; desktopName = "Thunderbird Cloonar"; icon = "thunderbird"; exec = "thunderbird -p cloonar"; }; in { environment.systemPackages = [ pkgs.thunderbird thunderbirdWorkDesktopItem thunderbirdCloonarDesktopItem ]; }