Dialog date field and OK CANCEL in job AX 2012

public static void dialogDate()
{
    Dialog      dialog;
    DialogField field;
    ;
    dialog = new Dialog("Submitted Date");
    dialog.addText("Select submitted date:");
    field = dialog.addField(identifierStr(TransDate));

    dialog.run();
    if (dialog.closedOk())
    {
        info(field.value());
    }
}