Since 3.1
You can use the icecore:navigationNotifier component to receive notifications if the page shown in the browser was rendered as a result of a browser navigation by using 'Back' or 'Forward' browser history buttons.
To use the icecore:navigationNotifier tag, first declare the core namespace:
<html ... xmlns:icecore="http://www.icefaces.org/icefaces/core">
Then add the desired tag to your page markup:
<h:form id="form1">
<icecore:navigationNotifier action="#{....}"/>
...
TagLib Documentation
This section covers attributes involved in the typical use-cases for this component.
action Use this attribute to reference a bean method. The method is invoked when 'back' or 'forward' browser button is used.