自2017年3月9日起，Firebase推出了Firebase功能。它有助于触发某些特定数据集更改的事件。这些事件随后可在Firebase通知控制台中用于触发推送通知。

Since the 9th of march 2017 Firebase introduced "Firebase Functions".It helps to trigger some events on specific dataset changes.These events could be then available in the Firebase Notifications Console to trigger the push Notification.

请查看 https： //firebase.googleblog.com/2017/03/introducing-cloud-functions-for-firebase.html