System.setProperty("webdriver.chrome.driver", "DriverFactory.getChromeDriverPath()")
WebDriver driver = new ChromeDriver()
DriverFactory.changeWebDriver(driver)

println(driver.switchTo().activeElement().getLocation())
//do what you need to use Alt+Tab
println(driver.switchTo().activeElement().getLocation())

(621, 260)
(149, 260)

import org.openqa.selenium.WebDriver
import org.openqa.selenium.chrome.ChromeDriver
import com.kms.katalon.core.webui.driver.DriverFactory