just have made a try using soapui
the below:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://www.ca.com/UnicenterServicePlus/ServiceDesk">
<soapenv:Header/>
<soapenv:Body>
<ser:doSelect>
<sid>************</sid>
<objectType>alg</objectType>
<whereClause></whereClause>
<maxRows>1</maxRows>
<attributes>
<string>call_req_id.ref_num</string>
<string>type.sym</string>
<string>analyst.userid</string>string>
</attributes>
</ser:doSelect>
</soapenv:Body>
</soapenv:Envelope>
return:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soapenv:Body>
<doSelectResponse xmlns="http://www.ca.com/UnicenterServicePlus/ServiceDesk">
<doSelectReturn xmlns=""><![CDATA[<?xml version="1.0" encoding="UTF-8"?><UDSObjectList>
<UDSObject>
<Handle>alg:2981</Handle>
<Attributes>
<Attribute DataType="2002">
<AttrName>call_req_id.ref_num</AttrName>
<AttrValue>AM:11</AttrValue>
</Attribute>
<Attribute DataType="2002">
<AttrName>type.sym</AttrName>
<AttrValue>Initial</AttrValue>
</Attribute>
<Attribute DataType="2002">
<AttrName>analyst.userid</AttrName>
<AttrValue>System_MA_User</AttrValue>
</Attribute>
</Attributes>
</UDSObject>
</UDSObjectList>]]></doSelectReturn>
</doSelectResponse>
</soapenv:Body>
</soapenv:Envelope>
Hope this help
/J