How to right align text in the af:column footer?

<f:facet name="footer">
 <trh:tableLayout width="100%">
 <trh:rowLayout width="100%">
 <trh:cellFormat width="100%" halign="end">
 <af:outputText value="outputText6"/>
 </trh:cellFormat>
 </trh:rowLayout>
 </trh:tableLayout>
 </f:facet>