Log

<p:log />
            
<h3>Client Side API</h3>
<p:commandButton type="button" value="Info" onclick="PrimeFaces.info('This is an info message.')" />
<p:commandButton type="button" value="Warn" onclick="PrimeFaces.warn('This is a warn message.')" />
<p:commandButton type="button" value="Debug" onclick="PrimeFaces.debug('This is a debug message.')" />
<p:commandButton type="button" value="Error" onclick="PrimeFaces.error('This is an error message.')" />

<h3>Ajax Request</h3>
<h:form id="frm">

    <h:panelGrid columns="4" cellpadding="5">
        <h:outputLabel for="name" value="Name:" style="font-weight:bold"/>

        <p:inputText id="name" value="#{pprBean.firstname}" />

        <p:commandButton value="Submit" update="display"/>

        <h:outputText value="#{pprBean.firstname}" id="display" />
    </h:panelGrid>

</h:form>