QbXML for Querying for Customer by FullName (unique customer name)

 
<?xml version="1.0" encoding="utf-8"?>
<?qbxml version="8.0"?>
<QBXML>
  <QBXMLMsgsRq onError="stopOnError">
    <CustomerQueryRq requestID="1234abcd">
 
      <FullName>The Customer Name</FullName>
 
      <OwnerID>0</OwnerID>
    </CustomerQueryRq>  
  </QBXMLMsgsRq>
</QBXML>