Use these instructions to generate JSON file to enable push notifications via the Firebase Cloud Messaging (FCM) service for your app.
Before using FCM in your app, you must create a new project by following the steps below.
After your project is created, you can get the google-services.json file which will be required to activate and use FCM
Just as the google-services.json file is needed in your android app (as shown in previous step), you also need the FCM Server key in order to send push notifications from your site.
If InnateApps Push needs to be enabled for your app,use this Sender ID in Push DetailsSection of your App.