seems it is related to an exploit lets hope that Microsoft or Google plug it soon, otherwise I'll be uninstalling the Teams app on my phone. Notification messages. ... " We're investigating an issue where users are receiving Test notifications on their mobile devices. The number of S’s in the notification keeps varying. I don’t own an iOS device and using the Xcode simulator is not an option. Let’s start coding but before starting code, here is the Lifecycle Flow of Firebase Cloud Messaging (FCM) Register devices to receive messages from FCM. In my case, I had struggled a bit to get this to work as I was trying to test a scheduled task that was going to send push notification every few minutes to FCM. In such cases, FCM handles displaying the notification payload, and the client app handles the data payload. Methods to test FCM Push Notifications: Notifications composer Limitation: Can only test Notification Messages with this approach. Heads up notifications require a "max" importance level. In recent days, users of both Microsoft Teams and Google Hangouts have reported receiving apparent test notifications mentioning FCM through the app. FCM Messages / FCM Messagess [sic] --- Test Notifications!!! Scope of impact: This issue may potentially impact any user with Microsoft Teams … For testing or for marketing and user re-engagement, you can send notification messages using the Firebase … As you can see in the screenshot I got four test notifications (after clicking on a fifth one just a minute before). Testing push notifications can still be pretty damn difficult. In the Azure portal, on the Notification Hub page for your hub, select Test Send in the Troubleshooting section.. For Platforms, select Android.. More info: Users may receive notifications that state: "FCM Messagess : Test Notifications" Current status: We're analyzing detailed forensics within the Teams mobile notification infrastructure to identify the cause of impact. Android makes things a bit easier but you still need to download the entire Android Developer Studio (and SDK) just to test a couple of push notifications. I had printed the token to my logs and then taken that token to my Postman for testing, not realising that it already has been used in the scheduled calls to FCM. I received 5 notifications this morning "FCM Messages Test Notifications!!!!" Legacy FCM HTTP Protocol + Postman / Terminal As per documentation, any apps that use device group messaging must continue to use the legacy API for the management of … I got a four notification messages on Google hangouts that says "FCM Messages Test Notification!! Many people received the message several times within a short timespan. Where shall I look for the cause. Select Send.You won't see a notification … The default FCM channel used is hidden from users, however provides a "default" importance level. This means that we need to first … I haven't knowingly done anything to trigger this and I haven't heard from Google that they are doing any testing. On Android, notification messages are sent to Notification Channels which are used to control how a notification is delivered. Following on that, let's look at the common workflow of FCM messages -- notification messages and data messages, and how to handle these messages … Test send notification from the notification hub. You can send push notifications from the Azure portal by taking the following steps:. was sent out to people through Microsoft Teams. FCM can send a notification message including an optional data payload. A strange notification reading "FCM Messages Test Notification!!!!" / Test Notificationsss!!!!