diff --git a/example/lib/MyExampleAnalytics/example_analytics_vendor.dart b/example/lib/MyExampleAnalytics/example_analytics_vendor.dart
index 68f6ac5..57815c2 100644
--- a/example/lib/MyExampleAnalytics/example_analytics_vendor.dart
+++ b/example/lib/MyExampleAnalytics/example_analytics_vendor.dart
@@ -9,12 +9,12 @@ class ExampleAnalyticsVendor extends AnalyticsVendor {
   ExampleAnalyticsVendor() : super('ExampleAnalytics');
 
   @override
-  void init() {
+  Future<void> init() async {
     print('ExampleAnalytics has run init()');
   }
 
   @override
-  void handleAction(AnalyticsAction action) {
+  Future<void> handleAction(AnalyticsAction action) async {
     if (action is TrackEvent) {
       print('TrackEvent: ${action.eventName} with ${action.parameters}');
     }
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 3b285b5..e2f8dcb 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -26,7 +26,7 @@ class MyApp extends StatelessWidget {
 
 class MyHomePage extends StatefulWidget {
   MyHomePage({Key? key, required this.title}) : super(key: key) {
-    AnalyticsX().invokeAction(SetScreen('HomePage'));
+    AnalyticsX().invokeAction(SetScreen('HomePage', ''));
   }
 
   final String title;