Create New XmL file through AX 2012 X++

// Create New XmL file through AX 2012

XmlDocument doc;
    XmlElement nodeXml;
    XmlElement nodeTable;
    XmlElement nodeAccount;
    XmlElement nodeName;
    CustTable custTable;
    #define.filename(@'C:\Temp\accounts.xml')
    doc = XmlDocument::newBlank();
    nodeXml = doc.createElement('xml');
    doc.appendChild(nodeXml);
    while select RecId, AccountNum from custTable
    {
        nodeTable = doc.createElement(tableStr(CustTable));
        nodeTable.setAttribute(fieldStr(CustTable, RecId),int642str(custTable.RecId));
        nodeXml.appendChild(nodeTable);
        nodeAccount = doc.createElement(fieldStr(CustTable, AccountNum));
        nodeAccount.appendChild(doc.createTextNode(custTable.AccountNum));
        nodeTable.appendChild(nodeAccount);
        nodeName = doc.createElement("Name");
        nodeName.appendChild(doc.createTextNode(CustTable::find(custTable.AccountNum).name()));
        nodeTable.appendChild(nodeName);
    }
    doc.save(#filename);
    info(strFmt("File %1 created.", #filename));