Apple Script to those who don't have a mute button on their microphone

ToggleMute

on getMicrophoneVolume()
	input volume of (get volume settings)
end getMicrophoneVolume
on disableMicrophone()
	set volume input volume 0
	display notification "Microphone has been disabled" with title "Muted"
end disableMicrophone
on enableMicrophone()
	set volume input volume 100
	display notification "Microphone has been enabled" with title "Unmuted"
end enableMicrophone

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