If you are using a facelets template which displays common menu links on every 
page you may require a different conversation propagation attribute value 
within the links depending on the view.

In your view page when you want to change the default propagation of the menu 
items set the propagation type in a ui:param tag:
<ui:composition xmlns="http://www.w3.org/1999/xhtml";
  |                 xmlns:ui="http://java.sun.com/jsf/facelets";
  |                 template="layout/template.xhtml"
  | >
  | 
  |    <ui:param name="menuPropagation" value="end"/>
  |    <ui:define name="body">
  |       <h1>Some View</h1>
  |    </ui:define>
  | </ui:composition>

In the menu template create two links for each item one for when the 
propagation is not set and the other for when it is:
<div
  |     xmlns="http://www.w3.org/1999/xhtml";
  |     xmlns:ui="http://java.sun.com/jsf/facelets";
  |     id="menu"
  | >
  |     <s:link
  |             rendered="#{menuPropagation == null}"
  |             view="/home.xhtml"
  |             value="Home"
  |     />
  |     <s:link
  |             rendered="#{menuPropagation != null}"
  |             view="/home.xhtml"
  |             value="Home"
  |             propagation="#{menuPropagation}"
  |     />
  | 
  |     <s:link
  |             rendered="#{menuPropagation == null}"
  |             view="/nextMenuItem.xhtml"
  |             value="nextMenuItem"
  |     />
  |     <s:link
  |             rendered="#{menuPropagation != null}"
  |             view="/nextMenuItem.xhtml"
  |             value="NextMenuItem"
  |             propagation="#{menuPropagation}"
  |     />
  | 
  |     <!-- etc ... -->
  | </div>
  | 



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