Examples

##declare an $EventsThisYear variable
#set($EventsThisYear = 0)
<table border="1">
    <tr>
        <th>Event Name</th><th>City</th><th>Date</th>
    </tr>
    ##begin looping through EventsList
    #foreach($event in $EventsList)

        ##split the date field on '-'
        ##yyyy-MM-dd becomes ['yyyy','MM','dd']
        ##retrieve first array element, the year
        #set ($year = ${event.date.split("-").get(0)})

        ##check if $year matches designated year
        #if($year == "2013")

            ##increment $EventsThisYear
            #set($EventsThisYear = $EventsThisYear + 1)

                ##create info table row
                <tr>
                    ##add Event link
                    #set($eventUrl = "www.example.com/?event=${event.id}")
                    <td><a href="http://${eventUrl}">$event.name</a>
                    ##add Event location
                    <td>$event.location</td>
                    ##output formatted date
                    <td>$date.format('MMMM d YYYY', ${convert.parseDate($event.date, 'yyyy-MM-dd')})</td>
                </tr>
        ##end if statement
        #end
    ##close the loop
    #end
</table>
##print out total events
Total Events ${lead.FirstName} attended this Year: $EventsThisYear

##create a date and parse it with a format
##parseDate takes two args, a date string and the format
#set($myDate = $convert.parseDate("08-07-2015", "MM-dd-yyyy"))

##format the date
##format takes two args, the format and a date object
#set($formattedDate = $date.format("yyyy-MM-dd", $myDate))

${formattedDate}

##escape a string which may have HTML content
#set($HTMLSafeString = $esc.html(${SurveyList.get(0).Question}))

<div>
    <p><strong>In your survey, you asked:</strong></p>
    <p>${HTMLSafeString}</p>
</div>

##batch campaigns/triggers campaigns not triggers by object
##retrieves first entry from MyCustomObjectList
##then gets objectId from record and sets it as value of $objectId
#set($objectId = MyCustomObjectList.get(0).objectId)

#set($url1 = "www.example.com/objects?id=$!{objectId}")
<a href="//${url1}">View Your Object Record Online</a>

##trigger campaigns triggered by the needed object
##gets objectId from record and sets it as value of $objectId
#set($objectId = $TriggerObject.objectId)

#set($url2 = "www.example.com/objects?id=$!{objectId}")
<a href="//${url2}">View Your Object Record Online</a>