2. Go to Your Project > Project settings.
3. In Cloud Messaging tab find Server Key (1) and Sender ID (2):
4. For Firebase projects created later than October 22, 2019, you should generate the Web Push certificate key pair. Scroll the page down to the Web configuration section and press Generate key pair.
To configure Chrome or Firefox platform, select the app you want to send pushes to and click Configure for Chrome or Firefox.
Input the following Firebase Cloud Messaging project credentials:
Web Push certificate key pair (for Firebase projects created later than October 22, 2019)