how i can invalide the session at outputlink

[MPF]

Hi!

[code]
<h:panelGroup>
                                <h:outputLink 
rendered="#{placeDetail.showBackButton}"
value="#{placeDetail.referer}">
                                        <h:outputText value="#{labels.back}" 
styleClass="txtgruen"/>
                                </h:outputLink>
                        </h:panelGroup>
[/code]

is it possible to invalide the session at the outputlink?

best regards
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