How do I send FCM messages to multiple devices at a time node js?

Generating the Service Account Credentials js code to communicate through the SDK to the Firebase messaging service and is generated from within the Firebase console . Click on the Generate New Private Key button, download the generated file and place it in a suitable directory on the system on which Node.

How to Add Web Push Notification In React Js With Firebase

The Service Worker is necessary to display messages when the browser or tab are not in focus . Download the JavaScript file firebase-messaging-sw. js. Create the Webapp-Project in Firebase and copy the configuration.

firebase-messaging-sw. js is a must and should be present in the host root directory . This is required to setup background notification handler when browser is not in focus or in background.25 Şub 2017