preload ()
{
this.load.image('phaser', 'assets/sprites/phaser2.png');
}
create ()
{
const group = this.add.group();
// Add an existing Image into the group:
const image = this.add.image(0, 0, 'phaser');
group.add(image);
// Any action done to the group is now reflected by the Image
// For example this will set the position of the image to 400 x 300
Phaser.Actions.SetXY(group.getChildren(), 400, 300);
}