diff --git a/README.md b/README.md
index 9f762df804ce998e51e7a80a6615bf82adcc1f39..2d6c3a35847ec06c7bd5159b6b0bc8a9931d7e38 100644
--- a/README.md
+++ b/README.md
@@ -354,6 +354,12 @@ Or you can send `data` using FCM and build a local notification
 #### How do I do xxx with FCM?
 check out [official docs and see if they support](https://firebase.google.com/docs/cloud-messaging/concept-options)
 
+#### I want to add advanced feature that FCM doesn't support for remote notification
+You can either wait for FCM to develop it or you have to write native code to create notifications
+for iOS, you can do it in `didReceiveRemoteNotification` in `appDelegate.m`
+for android, you can do it by implementing a service similar to "com.evollu.react.fcm.MessagingService"
+Or if you have a good way to wake up react native javascript thread please let me know, although I'm worring waking up the whole application is too expensive.
+
 #### Some features are missing
 Issues and pull requests are welcome. Let's make this thing better!