struts2-uel-plugin-example/src/main/resources/struts.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
        "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
    <constant name="struts.custom.i18n.resources" value="globalMessages"/>
    <constant name="struts.enableSimpleParametersBinder" value="true"/>

    <package name="survey" namespace="/survey" extends="uel-default">

        <action name="edit" class="survey.SurveyAction" method="edit">
            <result>/survey/survey.jsp</result>
        </action>

        <action name="save" class="survey.SurveyAction" method="save">
            <result>/survey/survey-results.jsp</result>
            <result name="input">/survey/survey.jsp</result>
        </action>
    </package>

    <package name="root" namespace="/" extends="struts-default">
        <default-action-ref name="index"/>

        <action name="index">
           <result>/index.jsp</result>
        </action>

        <action name="uel-expressions">
           <result>/uel-expressions.jsp</result>
        </action>
    </package>
</struts>