diff --git a/index.js b/index.js
index 75db8e7692eaeba9a6bd5565ba011e9451d78d56..1d93879ccf43b6f58eb90dbc459ca497a27963a8 100644
--- a/index.js
+++ b/index.js
@@ -16,6 +16,13 @@ export const WillPresentNotificationResult = {
   None: 'UNNotificationPresentationOptionNone'
 }
 
+export const NotificationType = {
+  Remote: 'remote_notification',
+  NotificationResponse: 'notification_response',
+  WillPresent: 'will_present_notification',
+  Local: 'local_notification'
+}
+
 const RNFIRMessaging = NativeModules.RNFIRMessaging;
 
 const FCM = {};
@@ -87,18 +94,18 @@ function finish(result){
   }
   if(!this._finishCalled && this._completionHandlerId){
     this._finishCalled = true;
-    switch(this.notification_event_type){
-      case 'remote_notification':
+    switch(this._notificationType){
+      case NotificationType.Remote:
         result = result || RemoteNotificationResult.NoData;
         if(!Object.values(RemoteNotificationResult).includes(result)){
           throw new Error(`Invalid RemoteNotificationResult, use import {RemoteNotificationResult} from 'react-native-fcm' to avoid typo`);
         }
         RNFIRMessaging.finishRemoteNotification(this._completionHandlerId, result);
         return;
-      case 'notification_response':
+      case NotificationType.NotificationResponse:
         RNFIRMessaging.finishNotificationResponse(this._completionHandlerId);
         return;
-      case 'will_present_notification':
+      case NotificationType.WillPresent:
         result = result || (this.show_in_foreground ? WillPresentNotificationResult.All : WillPresentNotificationResult.None);
         if(!Object.values(WillPresentNotificationResult).includes(result)){
           throw new Error(`Invalid WillPresentNotificationResult, make sure you use import {WillPresentNotificationResult} from 'react-native-fcm' to avoid typo`);
diff --git a/ios/RNFIRMesssaging.m b/ios/RNFIRMesssaging.m
index 6e9ecb20aa288f58910c1bc2d1d1d8b288fd6aef..cf5b9d2bf80b74ab475a6fab86b424a394075c9e 100644
--- a/ios/RNFIRMesssaging.m
+++ b/ios/RNFIRMesssaging.m
@@ -144,21 +144,21 @@ RCT_EXPORT_MODULE()
 
 + (void)didReceiveRemoteNotification:(nonnull NSDictionary *)userInfo fetchCompletionHandler:(RCTRemoteNotificationCallback)completionHandler {
   NSMutableDictionary* data = [[NSMutableDictionary alloc] initWithDictionary: userInfo];
-  [data setValue:@"remote_notification" forKey:@"notification_event_type"];
+  [data setValue:@"remote_notification" forKey:@"_notificationType"];
   [data setValue:@(RCTSharedApplication().applicationState == UIApplicationStateInactive) forKey:@"opened_from_tray"];
   [[NSNotificationCenter defaultCenter] postNotificationName:FCMNotificationReceived object:self userInfo:@{@"data": data, @"completionHandler": completionHandler}];
 }
 
 + (void)didReceiveLocalNotification:(UILocalNotification *)notification {
   NSMutableDictionary* data = [[NSMutableDictionary alloc] initWithDictionary: notification.userInfo];
-  [data setValue:@"local_notification" forKey:@"notification_event_type"];
+  [data setValue:@"local_notification" forKey:@"_notificationType"];
   [[NSNotificationCenter defaultCenter] postNotificationName:FCMNotificationReceived object:self userInfo:data];
 }
 
 + (void)didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(RCTNotificationResponseCallback)completionHandler
 {
   NSMutableDictionary* data = [[NSMutableDictionary alloc] initWithDictionary: response.notification.request.content.userInfo];
-  [data setValue:@"notification_response" forKey:@"notification_event_type"];
+  [data setValue:@"notification_response" forKey:@"_notificationType"];
   [data setValue:@YES forKey:@"opened_from_tray"];
   [[NSNotificationCenter defaultCenter] postNotificationName:FCMNotificationReceived object:self userInfo:@{@"data": data, @"completionHandler": completionHandler}];
 }
@@ -166,7 +166,7 @@ RCT_EXPORT_MODULE()
 + (void)willPresentNotification:(UNNotification *)notification withCompletionHandler:(RCTWillPresentNotificationCallback)completionHandler
 {
   NSMutableDictionary* data = [[NSMutableDictionary alloc] initWithDictionary: notification.request.content.userInfo];
-  [data setValue:@"will_present_notification" forKey:@"notification_event_type"];
+  [data setValue:@"will_present_notification" forKey:@"_notificationType"];
   [[NSNotificationCenter defaultCenter] postNotificationName:FCMNotificationReceived object:self userInfo:@{@"data": data, @"completionHandler": completionHandler}];
 }