Google Firebase
Firebase App ID
- Open Firebase.
- Choose your project and open it.
- Click the "gear" and open Project Settings.
- Find your app and Copy the App ID.
![Firebase - Settings - App ID.](/assets/images/Firebase_App_ID-81208dbfed986555e893b71260ea05d3.png)
Firebase API Secret
- Open Google Analytics and choose the necessary account.
- Open Admin Settings at the bottom of the page.
- Find Datastreams > Choose your App and open App Stream details.
- Scroll down and in the Additional Settings click Measurement Protocol API secrets.
- There you will find Secret value.
![Firebase API Secret](/assets/images/Firebase_App_Secret-9929cd7db1597841a15b434ca32f1c5e.png)
Custom events
If you can access your custom events in Firebase but not in Google Analytics/Google Ads, you need to mark them as key events.