title: Rich:Columns - FilterBy
body: <p>Good morning!!</p>
  
  <p>I have a dynamic datatable and I'm using Columns of Richfaces, but when I assign the value to FilterBy, it does not work.
  Can anyone help me?
  Woe is my code .. </p>
  
  <pre><code>&lt;rich:dataTable id="dtAtendimento" value="#{CadastroAtendimentoTecnico.listaAtendimento}" var="atendimento"&gt;
      &lt;rich:columns index="index" value="#{CadastroAtendimentoTecnico.listaCampos}" var="column" filterBy="#{column.nomeAtributo}" filterEvent="onKeyUp"&gt;
          &lt;f:facet name="header"&gt;
              &lt;h:outputText value="#{column.label}"/&gt;
          &lt;/f:facet&gt;
          &lt;h:outputText value="#{atendimento[column.nomeAtributo]}"/&gt;
      &lt;/rich:columns&gt;
  &lt;/rich:dataTable&gt;
  </code></pre>