Отправка уведомления от системы в Битрикс 24

CModule::IncludeModule("im");
$arMessageFields = array(
  "FROM_USER_ID" => 0,
  "NOTIFY_TYPE" => 4,
  "NOTIFY_TITLE" => "Some title",
  "NOTIFY_MESSAGE" => "some message",
  "NOTIFY_MESSAGE_OUT" => "",
  "NOTIFY_MODULE" => "bizproc",
  "NOTIFY_EVENT" => "activity",
  "TO_USER_ID" => 5,//System personal USER ID
);
CIMNotify::Add($arMessageFields);