Send Input Control Message
The following is an example of a control message that would  be send into the eagle_ml-2-0_default_cm_control_message stream to use the Purge and Archive feature on the box (the linked stream is eagle_ml-2-0_default_cm_purge_archive)
You will want to change the various parameters values in this example to meet your specific needs
Input Control Message Example
<EagleML xmlns="http://www.eagleinvsys.com/2011/EagleML-2-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="RunTaskRequest" eaglemlVersion="2-0" xsi:schemaLocation="http://www.eagleinvsys.com/2011/EagleML-2-0 eagleml-main-2-0.xsd" eaglemlType="RunTaskRequest">
    <header>
       <messageId>Purge_And_Archive_Run</messageId>
       <sentBy>http://www.client.com</sentBy>
       <sendTo>http://www.eagleinvsys.com/eagle_ml-2-0_default_cm_control_message</sendTo>
       <replyTo>http://www.client.com/Eagle Control Messages</replyTo>
       <creationTimestamp>2012-08-02T22:13:32.272-05:00</creationTimestamp>
    </header>
    <taskIdentifier>
       <correlationId correlationIdScheme="correlationIdScheme">[unique_corr_id_value]</correlationId>
       <businessTaskId correlationIdScheme="businessTaskIdScheme">[business_task_id_value]</businessTaskId>
    </taskIdentifier>
    <taskTypeEnum>NEW</taskTypeEnum>
    <taskParameters>
       <taskParameter>
           <name>ActionType</name>
           <dataType>S</dataType>
           <value>EXECUTE</value>
       </taskParameter>
       <taskParameter>
           <name>StreamName</name>
           <dataType>S</dataType>
           <value>eagle_ml-2-0_default_cm_purge_archive</value>
       </taskParameter>
       <taskParameter>
           <name>PurgeArchiveParams</name>
           <dataType>S</dataType>
               <value>
                  FILE;ALLMCSTREAMFOLDERS;processing;*;ARCHIVE;data/msgcenter/cmw/custom_ack/;N;72|
                  FTP;FOLDER;CMW/inbound_tst;*;PURGE;;;0|
               </value>
       </taskParameter>
          <taskParameter>
           <name>PurgeArchiveMode</name>
           <dataType>S</dataType>
                <value>
               LISTONLY   Â
               </value>
       </taskParameter>
    </taskParameters>
</EagleML>
The PurgeArchiveParams taskParameter node value sets the parameters for Purge and Archive.
The PurgeArchiveMode taskTarameter node value defines the mode of Purge and Archive.