Pushnotification not working properly

Question

Hello all I am following this example I am able to generate registration token, but I am not able to get notification in my phone, can any one help me with this?

Whe

Answer 1

Notice that there is a difference between the "Project ID" (that usually appears in the url/console dashboard) and the actual 12-digit "Project Number".

Verify you're using the Project Number which can be found in the google console under project settings.

Take a look at this screenshot