form.xhtml

    <h:form>
        <h:panelGrid columns="3">
            <h:outputLabel value="libellé" for="libFormation" />
            <p:inputText id="libFormation" 
                         value="#{myController.current.libFormation}" 
                         title="libellé" 
                         >
                <p:ajax event="blur" update="msg_libFormation"/>
            </p:inputText>
            <p:message id="msg_libFormation" for="libFormation"/> 
    
            <h:outputLabel value="Code" for="codFormation" />
            <p:inputText id="codFormation" 
                         value="#{myController.current.codFormation}" 
                         title="Code" 
                         >
                <p:ajax event="blur" update="msg_codFormation"/>
            </p:inputText>
            <p:message id="msg_codFormation" for="codFormation"/> 
            </h:panelGrid>