Buttons also have some additional settings you can customize aside from actions. First, you can choose how many times a button can be clicked before being disabled. By default, you can click a button as many times as you want, and it will always do the same action.
Toggle the Infinite Attempts checkbox.
Click the Shortcut option button.
Press the keys you want to assign as the shortcut.
Toggle the Hand Cursor, Double-click, or Disable Click Sound (optional).