Properties

critical

(boolean or undefined)

The critical alert flag. Set to true to enable the critical alert.

name

(string or undefined)

The name of a sound file in the app's main bundle or in the Library/Sounds folder of the app's container directory. Specify the string "default" to play the system sound.

volume

(number or undefined)

The volume for the critical alert's sound. Must be a value between 0.0 (silent) and 1.0 (full volume).