Push notification are important for Promotional Activity. You can follow below step to send Push notification via Firebase. 

1. Open Firebase console https://console.firebase.google.com

2. Select a Your Project. 

3. From Left vertical menu, You will find “Cloud Messaging” from Engage Group. 

4. Select “New Notification”

5. Please enter Notification title & Description and Press Next. 

6. Now Select Target. Target to App in which you want to send Notification. You can select Multiple Apps. You can select customer, Driver or Partner App. Then Press Next. 

7.  Select Schedule where you want to send Notification. You can choose now if you want to send right away. 

8. Then you can skip last 2 steps, As its Optation & I you wish to do any change you can do it & Press Review. 

9. Verify all details of push notification & Press “Publish” 

Once you Publish in Few Second all Application users will get push notification.