Camera Fade Out and In

class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('robota', 'assets/pics/robota-uxo-by-made-of-bomb.jpg');
        this.load.image('neuromancer', 'assets/pics/neuromancer.jpg');
    }

    create ()
    {
        this.add.image(400, 300, 'robota');

        this.cameras.main.once('camerafadeoutcomplete', function (camera) {

            this.add.image(400, 300, 'neuromancer');

            camera.fadeIn(6000, 255);

        }, this);

        this.cameras.main.fadeOut(6000, 255);
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.AUTO,
    parent: 'game-container',
    width: 800,
    height: 600,
    scene: Example
};

const game = new Phaser.Game(config);