Your automation user, provided by Katalon (and WebDriver), is akin to a robot. Your robot does nothing until you instruct him to do something. You instruct him by giving him a “program” to follow.
Whether you produce that program by clicking choices in a drop down listbox or by typing them by hand, you are programming.
But instead of us debating the semantics, why not follow the advice below and we’ll see if we can help you: