1. Open the previous notification about a promo from Visa or Mastercard, depending on your card, and click on "Participate".

You will find yourself on notification with a choice of a category in Viber-bank.

2. Then pull the screen to the left. Change "Stop receiving notifications"/"Don't receive notifications" to "Receive" by clicking on the text.

3. Return to a message with the promo, click on "Participate" and choose a cashback category according to your liking!