Do the following in your web or mobile app:
Read moreWhat is FCM token in iOS?
Getting FCM token By default, the FCM SDK generates a registration token for the client app instance on initial startup of your app . Similar to the APNs device token, this token allows you to target notification messages to this particular instance of the app.
Read moreWhat is Firebase messaging token?
Firebase Cloud Messaging (FCM) is a messaging solution that lets you reliably send messages at no cost to both Android & iOS devices . Using FCM, you can send data payloads (via a message) to a device for a specific application. Each message can transfer a payload of up to 4KB to a client.
Read moreHow can I get FCM device token?
It’s my first time using FCM. I download a sample from firebase/quickstart-android and I install the FCM Quickstart.
Read moreAre Google Cloud Messaging tokens unique?
According to documentations, they’re unique , but you can’t bind them to a specific device since they might change.
Read moreDo FCM tokens expire?
It doesn’t expire though. It renews itself if one of the following happens. According to https://firebase.google.com/docs/cloud-messaging/android/client: -The app deletes Instance ID.
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