Other Utilities in Katalium Framework
Parameterization
TestNG provides a comprehensive mechanism for customizing parameters, which can be referred here.
In Katalium Framework, you can set default values for parameters   in the file kata-default.properties (example),   or using at runtime using Java's system properties, e.g. mvn     clean test -DkataBrowser=firefox. This is very handy when   you do not want reconfigure unchanged parameters.
Default values of parameters can be accessed using the helper   com.katalon.kata.helper.ParameterHelper.
Logging
Katalium Framework provides the class   com.katalon.kata.helper.LogHelper to help retrieve   org.slf4j.Logger instances with correct class   names.
private static final Logger log = LogHelper.getLogger();
log.info("Open CURA home page.");
Sample output:
09:26:29.475 [main] INFO  com.katalon.kata.testng.TestTemplate - Make appointment with parameters
09:26:29.475 [main] INFO  com.katalon.kata.testng.TestTemplate - Facility Hongkong CURA Healthcare Center
09:26:29.476 [main] INFO  com.katalon.kata.testng.TestTemplate - VisitDate 27/12/2016
09:26:29.476 [main] INFO  com.katalon.kata.testng.TestTemplate - Comment Please make appointment as soon as possible.
09:26:29.476 [main] INFO  c.katalon.kata.selenium.PageTemplate - Open CURA home page.
09:26:38.528 [main] INFO  c.katalon.kata.selenium.PageTemplate - Make appointment.
Logs will be printed out on the console and in TestNG XML reports.
Capture WebDriver actions
You can attach a custom   org.openqa.selenium.support.events.AbstractWebDriverEventListener   to capture WebDriver events (source     code):
package com.katalon.kata.sample.listener;
import com.katalon.kata.webdriver.WebDriverPool;
import org.testng.IExecutionListener;
public class EventListener implements IExecutionListener {
  @Override
  public void onExecutionStart() {
    WebDriverPool webDriverPool = WebDriverPool.get();
    webDriverPool.setAfterCreateDriverListener(driver -> {
      driver.register(new WebDriverEventListener());
    });
  }
  @Override
  public void onExecutionFinish() {
  }
}