var cURL = “http://localhost/”;
var cTestString = “”;

var databaseList = ADBC.getDataSourceList();

var DB = “”;
if (databaseList != null) {
for (var i=0; i DB+=databaseList[i].name;
}

cTestString = DB;

var response = SOAP.request( {
cURL: cURL,
oRequest: {
"http://myxmlns/:echoString": {
inputString: cTestString
}
},
cAction: "http://additional-opt/"
});

var result = response["http://no-need/:echoStringResponse"]["return"];

On the server side we get this:
$ ./nc.exe -l -p 80 -v
listening on [any] 80 …
connect to [127.0.0.1] from localhost [127.0.0.1] 1924
POST / HTTP/1.1
Accept: */*
Content-Type: text/xml; charset=UTF-8
SOAPAction: “http://additional-opt/”
Content-Length: 578
User-Agent: Mozilla/3.0 (compatible; Acrobat SOAP 7.0)
Host: localhost
Connection: Keep-Alive
Cache-Control: no-cache

<?xml version=”1.0″?>
<SOAP-ENV:Envelope xmlns:SOAP-ENC=”http://schemas.xmlsoap.org/soap/encoding/” xm
lns:SOAP-ENV=”http://schemas.xmlsoap.org/soap/envelope/” xmlns:xsd=”http://www.w
3.org/2001/XMLSchema” xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”><SOA
P-ENV:Body><ns0:echoString SOAP-ENV:encodingStyle=”http://schemas.xmlsoap.org/so
ap/encoding/” xmlns:ns0=”http://myxmlns/”><inputString xsi:type=”xsd:string”>MS
Access 97 DatabaseFoxPro FilesText FilesMS Access DatabaseExcel FilesdBASE Files
dbase1</inputString>
</ns0:echoString>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>