In the OneSignal dashboard for Dokan Mobile App navigate to the “Settings” page and then click “Platforms”. See the image below
![Configure OneSignal for Android 1 This image shows OneSignal dashboard](https://cdn.wedevs.com/uploads/2020/02/Platforms-1-1024x511.png)
Click “Google Android”. A pop-up will appear like below
![Configure OneSignal for Android 2 This image shows Google Android option on OneSignal dashboard](https://cdn.wedevs.com/uploads/2020/02/Google-Android-1024x517.png)
Click the link marked by the red rectangle in the above picture. This will take you to the OneSignal website. Follow Configure OneSignal for Android the instructions there and configure a firebase project.
After the successful completion of these steps, your android app will be able to receive push notifications. Try sending notifications from your WordPress dashboard by clicking Dokan > Mobile App then go to push notification tab.
That’s it!