example 2 - zipped

<control xmlns="http://webservices.ecircle-ag.com/ecm" 
 request-id="1" group-id="new" clone-from-id="639">
    <group-definition preferred-channel="email">
        <name>Import Contacts</name>
        <description>Import Contacts</description>
        <isocountry>US</isocountry>
        <isolanguage>en</isolanguage>
    </group-definition>
    <member-list add-mode="add" sync-mode="add" data-format= "csv">
        <uri-reference gzip-compressed="false">recipients.csv</uri-reference>
    </member-list>
</control>