How can I add behavior to the method of sorting fo rich:column?

[eabohorquezs1]

Hello guys...

I have an application made with Seam and RichFaces.

I want to add a behavior to the method of sorting; I would like to persist some data when users try to sorte my data table data, how can I do it?

This is my code:

<rich:dataTable id="listaNovedades" var="nov" reRender="paginador" ajaxSingle="false"

                                            value="#{conciliacion.novedades.entityQueryDataModel}" rowClasses="row,odd"  style="FONT-SIZE:  11px; FONT-FAMILY: 'Tahoma';"

                                            rows="#{conciliacion.pageSize}" rowKeyVar="rowNum"  width="100%" >       

                                                            <rich:column sortBy="#{nov.cedula}" >

                                                    <f:facet name="header">

                                                        #{messages['concialiacionNovedadesLinea.label.identificacion']}

                                                    </f:facet>

                                                    <div align="right"><b>

                                                                                 <h:outputText value="#{nov.cedula}" style="FONT-SIZE:  11px; FONT-FAMILY: 'Tahoma';"/></b>

                                                    </div>

                                                </rich:column>

Thanks in advance.