Firebase IOS push notification doesn't work when app is closed

Question

Firebase IOS push notification doest not work when app is closed. I have followed all the steps as in documentation

Answer 1

Please try with this, hope it works:

POST https://gcm-http.googleapis.com/gcm/send
{
    "to": "TOKEN_ID",
    "priority": "high",
    "notification": {
        "title": "foo",
        "body": "bar"
    }
}