Read this this article to find out how to block a customer!
Go to Marketing > Database and click on the crayon next to the customer you want to blacklist.
In the next page you will see Blocked customer, turn it ON and that client won't be allowed to book a table in your restaurant.
He will see this message 👇
In the customer's list you can display only blocked customers, like this 👇
>Click here to know more about customers' list<