Firebase Cloud Messaging

Description

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably deliver messages at no cost. 

Using FCM, you can notify a client app that new email or other data is available to sync. You can send notification messages to drive user re-engagement and retention. For use cases such as instant messaging, a message can transfer a payload of up to 4KB to a client app.

Original Source

https://firebase.google.com/docs/cloud-messaging/

License conditions

Apache License, Version 2.0

Version

15.0.0 ,

17.1.0

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