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 platform, select the app you want to send pushes to and click Configure for Chrome.
Input the following in Chrome platform settings:
FCM server API key
FCM Sender ID
Website Name (for HTTP). Set the default URL here. It will be opened when the user clicks on the notification unless different URL is preset.
For Firebase projects created later than October 22, 2019, enter the Web Push certificate key pair generated previously.