Realtime Broadcast events are not received when sent from database trigger

CREATE OR REPLACE FUNCTION public.messages_broadcast_changes()
 RETURNS trigger
 LANGUAGE plpgsql
 SECURITY DEFINER
AS $function$
begin
  if coalesce(NEW.job_id, OLD.job_id) is not null then
    perform realtime.broadcast_changes(
      'test',
      TG_OP,                                                -- event: INSERT/UPDATE/DELETE
      TG_OP,                                                -- operation: same as event
      TG_TABLE_NAME,                                        -- table
      TG_TABLE_SCHEMA,                                      -- schema: public
      NEW,                                                  -- new record
      OLD                                                   -- old record
    );
  end if;
  
  return null;
end;
$function$
;