How to change keyboard keys using senoculars class

programming flash
1

in my player.as file i have used senocular utili class to create movement using arrow up down left and right. and firebullet using space button.

how can i change this so the player moves to the A, S, D, W keys instead and fire using R

here is the current code i want to change in my player.as class

public function loop(e:Event) : void
        {
            if (key.isDown(Keyboard.LEFT))
                x -= speed;
            else if (key.isDown(Keyboard.RIGHT))
                x += speed;
 
            if (key.isDown(Keyboard.UP))
                y -= speed;
            else if (key.isDown(Keyboard.DOWN))
                y += speed;
                
            if (key.isDown(Keyboard.SPACE))
                fireBullet();