// Add component to *one* game object
Phaser.Health.AddTo(sprite);

// Add component and assign health 1/2
Phaser.Health.AddTo(sprite, 1, 2);

// Same:
Phaser.Health.AddTo(sprite).setMaxHealth(2).setHealth(1);

// Add component to Sprite class
Phaser.Health.MixinTo(Phaser.GameObjects.Sprite);

// Hide and deactivate sprite when health decreases below 0
sprite.on('die', function (spr) {
  spr.setActive(false).setVisible(false);
});

// Show and activate sprite when health increases above 0
sprite.on('revive', function (spr) {
  spr.setActive(true).setVisible(true);
});

// React to health changes
sprite.on('healthchange', function (spr, amount, health, maxHealth) {
  // Health changed by ${amount}, now ${health}/${maxHealth}
});