Grid>
                                </h:panelGrid>
                                    <p:commandButton 
                                        id="btnSave" 
                                        class="ui-button-warning mt-4 w-25" 
                                        process="btnSave gpDetail"
                                        value="Save" 
                                        action="#{hrmVariablesController.saveSelected()}" >
                                    </p:commandButton>
      