Check your topic list on firebase console.
Read moreHow do I send notifications to all devices?
Push notifications for FCM
Read moreHow do I send push notifications to multiple users?
STEP BY STEP:
Read moreHow do you send notifications to specific users with FCM in Postman?
Steps to send FCM throw Postman: URL to send: https://fcm.googleapis.com/v1/projects/projectid-34543/messages:send.
Read moreHow do I send FCM notifications to multiple devices?
Set up the SDK
Read moreHow do I integrate Firebase Web notifications?
To get started with the FCM JavaScript API, you’ll need to add Firebase to your web app and add logic to access registration tokens.
Read moreHow do I send FCM messages to multiple devices at a time node js?
Send messages to multiple devices
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