Markerline's value

I want to change markerLines' value dynamically in Chart.(for example sysdate...)
Can I change the value?

<markerLines labelAnchor="7">
<lineAttributes style="1" visible="true">
<color _body=",255,255,0,0"/>
</lineAttributes>
<value _type="DateTimeDataElement" value="111111111"/>
<label>
<caption value="">

<alignment/>

<color _body=",255,145,145,145"/>
</caption>
<background _body=",0,255,255,255"/>
<outline>
<color _body=",255,0,0,0"/>
</outline>
<insets _body="0.0,2.0,0.0,3.0"/>
</label>
<formatSpecifier _type="JavaDateFormatSpecifier" pattern="yyyy/MM/dd"/>
</markerLines>

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Comments

JustME

Hi covision, 
 
Here is an article about creating dynamic markers for your line chart. The article explains what each section of the code is doing and then provides a link to download the example directly from birt-exchange. I hope this helps,. I don't know alot of scripting yet as I am new to BIRT, but this article sounds like it should answer your questions. 
 
<a class='bbc_url' href='http://swik.net/Eclipse/Planet+Eclipse/Virgil+Dodson:+BIRT+Chart+Scripting:+Dynamic+Markers'>Virgil Dodson: BIRT Chart Scripting: Dynamic Markers - SWiK</a> 
 
Here is the direct link for the example code from the bottom of the article: <a class='bbc_url' href='http://www.birt-exchange.org/devshare/designing-birt-reports/276-birt-chart-scripting-dynamic-markers-and-datapoint-colors/#description'>BIRT Chart Scripting: Dynamic Markers and DataPoint Colors - Designs & Code - BIRT Exchange</a>