onNotification is not calling when app is in background

Bug

When I am calling fcm server push notification api data is not showing on onNotification function.

Environment info

react-native info output:

 // paste it here

Library version: 3.4.0

Steps To Reproduce

I use the following code for recieving push notification

1. Call the service from postman collection for fcm
2. we got data in onNotification when app is in foreground but not in backgorund …

Describe what you expected to happen:

Reproducible sample code

PushNotification.configure({ // (optional) Called when Token is generated (iOS and Android) onRegister: function (token) { console.log(“TOKEN:”, token); thats.setState({deviceToken:token}); },

  // (required) Called when a remote or local notification is opened or received
  onNotification: function (notification) {
    

    console.log('** NOTIFICATION: **', notification);

  if (Platform.OS === 'ios') {
    if (notification.alert.length !== 0) {
      //handleNotification(notification)
      notification.finish(PushNotificationIOS.FetchResult.NoData);
    }
  } else {
    //handleNotification(notification)
  }

  
  },

  // IOS ONLY (optional): default: all - Permissions to register.
  permissions: {
    alert: true,
    badge: true,
    sound: true,
  },

  // Should the initial notification be popped automatically
  // default: true
  popInitialNotification: true,

 
  requestPermissions: true,
});

PushNotification.popInitialNotification((notification) => { 
  console.log(notification); 
})

[Dallas62]

This is why onNotification is not trigger. Look at my previous message.

You can’t use notification field with background handler. You must use data (and not combined with notification). Then if you want to notify the user, trigger a local notification.

[Dallas62]

Hi,

There is no channelId defined.