public void select(String cssClass) {
        WebElement element = findElement(By.className(cssClass));
        if (isSelectAjaxified()) {
            PrimeSelenium.guardAjax(element).click();
        }
        else {
            element.click();
        }
    }
Selects either an event or any other element in the timeline by its CSS class.

@param cssClass the CSS class to select
primefaces-selenium/primefaces-selenium-components/src/main/java/org/primefaces/selenium/component/Timeline.java