Login to the business app
In Bottom Menu, you can will find a option as Campaign, through which you can send Smart Notifications and Feedback. Tap on it
Select the Campaign Type as Smart Notifications in the page that follow
Give a catchy title for your campaign, say for example "Get 50% Discount in next 50 Minutes"
Also enter the details of the offer in Message section
Enable "Trigger SMS for non registered users" if you want it to be sent to people who have not downloaded the app
Tap on Create and you are done :)