| #ALT | Read-only Boolean variable, which is true if the Alt key (or Option key under macOS) is held down |
| #COMMAND | Read-only Boolean variable, which is true if the Cmnd key (or Ctrl key under Windows) is held down |
| #CTRL | Read-only Boolean variable, which is true if the Ctrl key (or Cmnd key under macOS) is held down |
| #ENTER | Read-only Boolean variable, which is true if the Enter key was pressed |
| #OPTION | Read-only Boolean variable, which is true if the Option key (or Alt key under Windows) is held down |
| #RETURN | Read-only Boolean variable, which is true if the Return key was pressed |
| #SHIFT | Read-only Boolean variable, which is true if the Shift key is held down |