Microphone mute hotkey on macOS.md

1. Open Automator.app
2. Create new Quick Action
3. Select Run AppleScript
4. Add this:

set inputVolume to input volume of (get volume settings)
if inputVolume = 0 then
	set inputVolume to 100
	display notification "Volume set to 100" with title "✅ Microphone is on"
else
	set inputVolume to 0
	display notification "Volume set to 0" with title "❌ Microphone is off"
end if
set volume input volume inputVolume

5. Save as mute-microphone
6. Go to System Preferences -> Keyboard -> Shortcuts -> Services -> General
7. Find the mute-microphone service and set the hotkey (e.g. control-cmd-option M)

on getMicrophoneVolume()
input volume of (get volume settings)
end getMicrophoneVolume
on disableMicrophone()
set volume input volume 0
display notification "❌" with title "Microphone is off"
end disableMicrophone
on enableMicrophone()
set volume input volume 100
display notification "✅" with title "Microphone is on"
end enableMicrophone

if getMicrophoneVolume() is greater than 0 then
disableMicrophone()
else
enableMicrophone()
end if

This is a beautiful script. I had shortcuts run this apple script in some shortcuts and it's just fantastic for my macro keyboard Thanks @IonelLupu