And then we'll also set the callback property.

然后我们还将设置回调属性。

And then down here in the marker options, we'll set the draggable property as well.

然后在标记选项中，我们还将设置可拖动属性。

And by setting the disable default UI property to true, we no longer see those options there.

通过将禁用默认 UI 属性设置为 true，我们将不再看到这些选项。