ys present by default in the SceneTree.</p><h3 id=a-warning>A warning</h3><p>While the above examples work just fine, there are some things you should be aware of that may cause problems later. Imagine the following situation: the <code>Player</code> node has a <code>health</code> property, which you want to display in a <code>HealthBar</code> node somewhere in your UI. You might write something like this in the player&rsquo;s script:</p><div class=highlight><pre tabindex=0 style=color:#d8dee9;background-co