Parse and capture an attribute from an XML document

parse-id-from-xml.js

// <users>
//     <user id="1"><fullName>Hank Hill</fullName></user>
//     <user id="2"><fullName>Peggy Hill</fullName></user>
//     <user id="3"><fullName>Bobby Hill</fullName></user>
// </users>
 
function capture(response) {
    var users = XML.parse(response.bodyAsString);
 
    return users.childrenNamed("user")[2].attr["id"];
}