The array of response buttons for the alert.
- macOS 10.3+
The button displayed rightmost in the alert (for a left-to-right language) corresponds to the button at index
0 in this property’s array, and is considered the default button. A user can invoke this button by pressing the Return key.
Any button with a title of “Cancel” has a key equivalent of Escape, and any button with the title “Don’t Save” has a key equivalent of Command-D (but only if it is not the first button). You can also assign different key equivalents for the buttons using the
key method of the