!752

answer {
  if "dialog id" ret getDialogID();
  
  if "dialog ids" {
    L<Map> history = cast get(getMainBot(), "history");
    ret structure(collectTreeSet(history, "dialogID"));
  }
  
  if "our last dialog"
    ret structure(last(getDialog()));

  if "dialog size"
    ret lstr(getDialog());
}