下表显示了此方法的常见用例。您可以点击用例名称，在 API Explorer 中加载示例参数值。或者，您也可以在全屏 API Explorer 中查看用例的代码示例，只需点击用例名称下方的代码图标即可。在全屏界面中，您可以更新参数和属性值，并且代码示例会动态更新以反映您输入的值。

Use cases
list
Code symbol that, when clicked, opens the fullscreen APIs Explorer widget and populates it with values for the 'list' example for the videoCategories.list method.		This example retrieves a list of categories that can be associated with YouTube videos in the United States. The regionCode parameter specifies the country for which categories are being retrieved.
list (for a specific region)
Code symbol that, when clicked, opens the fullscreen APIs Explorer widget and populates it with values for the 'list (for a specific region)' example for the videoCategories.list method.		This example uses the regionCode to retrieve a list of categories that can be associated with YouTube videos in Spain. It also uses the hl parameter to indicate that text labels in the response should be specified in Spanish.