Input event type for keyboard events. Stores key presses on the keyboard. Supports key presses, key releases and [member echo] events. https://docs.godotengine.org/en/latest/tutorials/inputs/inputevent.html Returns the scancode combined with modifier keys such as [code]Shift[/code] or [code]Alt[/code]. See also [InputEventWithModifiers]. If [code]true[/code], the key was already pressed before this event. It means the user is holding the key down. If [code]true[/code], the key's state is pressed. If [code]false[/code], the key's state is released. Key scancode, one of the [code]KEY_*[/code] constants in [@GlobalScope]. Key unicode identifier when relevant.