This interface describes the data used by keyboard events.
| actionKey | Gets a boolean value that indicates whether the platform-specific action key is pressed. True means the action key is pressed. False means it isn't. |
| altKey | Gets a boolean value that indicates whether the Alt key is pressed. True means the Alt key is pressed. False means it isn't. |
| character | Gets the character entered. |
| commandKey | Gets a boolean value that indicates whether the Windows/Cmd key is pressed. True means the Windows/Cmd key is pressed. False means it isn't. |
| ctrlKey | Gets a boolean value that indicates whether the Ctrl key is pressed. True means the Ctrl key is pressed. False means it isn't. |
| keyCode | The key code. |
| modifiers | Gets flags that indicate whether modifier keys (Alt, Ctrl, Shift, Windows/Cmd) are pressed. |
| shiftKey | Gets a boolean value that indicates whether the Shift key is pressed. True means the Shift key is pressed. False means it isn't. |