Katalon Studio Spy Web Utility provides an intelligent object capturing capability and immediate feedback on the uniqueness of selectors. There are two widely used selectors: CSS and XPath.
Locators are object attributes which are used to build up an XPath or CSS selector. Locators help find and identify elements on the Web page under test. Katalon Studio builds the final XPath selector (Basic mode) by using any active object locators from users to locate Web Elements.