<filter name="input_password" module="guestbook" act="procGuestbookVerificationPassword" >
  <form>
    <node target="password" required="true" />
  </form>
  <parameter>
    <param name="mid" target="mid" />
    <param name="document_srl" target="document_srl" />
    <param name="comment_srl" target="comment_srl" />
    <param name="password" target="password" />
  </parameter>
  <response>
    <tag name="error" />
    <tag name="message" />
  </response>
</filter>
