# Show a notification and change screen brightness
brightnessctl set ${1}
-notify-send "Brightness" "$(brightnessctl | grep % | tail -c +22)" -t 1000
+dunstify -h string:x-canonical-private-synchronous:brightness \
+ "Brightness" "$(brightnessctl | grep % | tail -c +22)" \
+ -h int:value:"$(brightnessctl | grep % | cut -d '(' -f 2 | head -c +3)" \
+ -t 1000