How do I send a FCM push?

For sending FCM notification payload you can use Firebase Cloud Messaging Tool in firebase console . And click on Send your first message. Then enter the Title and body field. If you wish to send it to a particular device then click on Send test message and enter the FCM registration token.18 Tem 2020

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Can I still use Firebase 8?

This guide assumes that you will take advantage of the version 9 compat libraries to facilitate your upgrade. These libraries allow you to continue using version 8 code alongside code refactored for version 9 . This means you can compile and debug your app more easily as you work through the upgrade process.

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