Dears 

I have one JS File with SOAP Request.

I want to update the conditions by adding another condition related to optionset field(dropdownlist),

the condition is : new_paymenttype=1

I updated the condition by adding this part but it is not working !!, I am looking for your support 

" <q1:Condition>" +
" <q1:AttributeName>new_paymenttype</q1:AttributeName>" +
" <q1:Operator>Equal</q1:Operator>" +
" <q1:Values>" +
" <q1:Value xsi:type=\"xsd:string\">"+condition+"</q1:Value>" +
" </q1:Values>" +
" </q1:Condition>" +

var Accountxml = "" + "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<soap:Envelope xmlns:soap=\"">schemas.xmlsoap.org/.../\" xmlns:xsi=\"">www.w3.org/.../XMLSchema-instance\" xmlns:xsd=\""">www.w3.org/.../XMLSchema\">" +
authenticationHeader +
" <soap:Body>" +
" <RetrieveMultiple xmlns=\""">schemas.microsoft.com/.../WebServices\">" +
" <query xmlns:q1='schemas.microsoft.com/.../Query' xsi:type='q1:QueryExpression\'>" +
" <q1:EntityName>new_leasepayments</q1:EntityName>" +

" <q1:ColumnSet xsi:type=\"q1:ColumnSet\">" +
" <q1:Attributes>" +
" <q1:Attribute>new_dueamount</q1:Attribute>" +
" <q1:Attribute>new_serialnumber</q1:Attribute>" +
" </q1:Attributes>" +
" </q1:ColumnSet>" +

" <q1:Distinct>false</q1:Distinct>" +

" <q1:PageInfo>" +
" <q1:PageNumber>1</q1:PageNumber>" +
" <q1:Count>1</q1:Count>" +
" </q1:PageInfo>" +

" <q1:Criteria>" +
" <q1:FilterOperator>And</q1:FilterOperator>" +
" <q1:Conditions>" +
" <q1:Condition>" +
" <q1:AttributeName>new_new_leaseagreementinformationid</q1:AttributeName>" +
" <q1:Operator>Equal</q1:Operator>" +
" <q1:Values>" +
" <q1:Value xsi:type=\"xsd:string\">" + contactname + "</q1:Value>" +
" </q1:Values>" +
" </q1:Condition>" +

" <q1:Condition>" +
" <q1:AttributeName>statuscode</q1:AttributeName>" +
" <q1:Operator>Equal</q1:Operator>" +
" <q1:Values>" +
" <q1:Value xsi:type=\"xsd:string\">1</q1:Value>" +
" </q1:Values>" +
" </q1:Condition>" +


" </q1:Conditions>" +
" </q1:Criteria>" +
" </query>" +
" </RetrieveMultiple>" +
" </soap:Body>" +
"</soap:Envelope>" +
"";
// Create an instance of an XMLHTTP object.
var xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
xmlHttpRequest.Open(
"POST",
"/mscrmservices/2007/CrmService.asmx",
false
);

xmlHttpRequest.setRequestHeader(
"SOAPAction",
"">schemas.microsoft.com/.../RetrieveMultiple"
);

xmlHttpRequest.setRequestHeader(
"Content-Type", "text/xml; charset=utf-8"
);

xmlHttpRequest.setRequestHeader(
"Content-Length", Accountxml.length
);

// Send the XMLHttp request.
xmlHttpRequest.send(Accountxml);