You are currently on page NavigationA.
setForward("/navigation-b.htm");
To forward to NavigationB passing the parameter $forwardParamLink.value click
here.
getContext().getRequest().setAttribute("param", param); setForward("/navigation-b.htm");
setRedirect("/navigation-b.htm");
To redirect to NavigationB passing the parameter $redirectParamLink.value click
here.
setRedirect("/navigation-b.htm?param=" + param);
Take notice of the different URLs in your browser when you use forward and redirect.
Please also see the Page Flow example.