# Why Don't Fcm Notifications Trigger ‘onMessageReceived’ When In The Background State?

FCM defines two types of messages that may be sent to clients, Notification messages and Data messages.

If your app enters the background state then the Data payload is **only** delivered to onMessageReceived if the Notification payload is **not** present.

If you include both and the app enters the background state, then the system will handle the Notification payload with the app instead receiving the Data payload in the extras of the intent of the launcher activity - for example when the notification is tapped by the user.

Therefore a potential solution if you want all FCM push notifications to be handled by onMessageReceived is to remove the Notification payload, instead only using Data. See the documentation [here](https://pusher.com/docs/beams/guides/handle-incoming-notifications#handle-all-notifications)

This behaviour is described in the FCM documentation [here](https://firebase.google.com/docs/cloud-messaging/concept-options) and [here](https://firebase.google.com/docs/cloud-messaging/android/receive).

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