os/modules/graphical/network-manager-applet.service.nix

pkgs: {
  Unit = {
    Description = "Lightweight Wayland notification daemon";
    BindsTo = ["sway-session.target"];
    After = ["sway-session.target"];
    # ConditionEnvironment requires systemd v247 to work correctly
    ConditionEnvironment = ["WAYLAND_DISPLAY"];
  };
  Service = {
    ExecStart = "${pkgs.networkmanagerapplet}/bin/nm-applet --sm-disable --indicator";
  };
  Install = {
    WantedBy = ["sway-session.target"];
  };
}