relatedDataDeleteRecords

<soapenv:Envelope 
    xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
    xmlns:ecm="http://ecircle.com/developer/ecmapi">
   <soapenv:Header/>
   <soapenv:Body>
      <ecm:relatedDataDeleteRecords>
         <filter>
            <datasetName>myproducts</datasetName>
            <key>3</key>
            <filter>
                <name></name>
                <value></value>
            </filter>
         </filter>
      </ecm:relatedDataDeleteRecords>
   </soapenv:Body>
</soapenv:Envelope>