Getting Values from List using SP services

$().SPServices({

operation: "GetListItems",

async: false,

listName: "User Account Requests",

CAMLRowLimit: "<RowLimit>1</RowLimit>",

CAMLQuery: '<Query><OrderBy><FieldRef Name="ID" Ascending="False" /></OrderBy></Query>',

        completefunc: function (xData, Status) {

            //alert(Status);

            //alert(xData.responseText);

            $(xData.responseXML).SPFilterNode("z:row").each(function () {

               // debugger;

                reqID = $(this).attr("ows_ID");   //alert(getlistitemID);

            });

        }

    });