Apple menu > System Preferences > Sound
Sets the beep/alert volume level from 0.000 (muted) to 1.000 (100% volume).
75% = 0.7788008
50% = 0.6065307
25% = 0.4723665
Declarations
Type
null or floating point numberDefault
null
option
Apple menu > System Preferences > Sound
Sets the beep/alert volume level from 0.000 (muted) to 1.000 (100% volume).
75% = 0.7788008
50% = 0.6065307
25% = 0.4723665
null or floating point numbernull