Failed to run sql query missing FROM-clause entry for table new

create or replace function createticket("auth" text, "ticketname" text, "issuetype" text, "devicetype" text ,"issuedetails" text, "priority" text)
returns void
language plpgsql
security definer set search_path = public
as $$
BEGIN
  IF  (checkifauth(auth)) THEN
    insert into public.tickets (id, ticketname, issuetype, devicetype, issuedetails,priority)
     values (new.id,new.ticketname,new.issuetype,new.devicetype,new.issuedetails,new.priority);
  END IF;
  END;
$$

BEGIN
  IF EXISTS (select authkey from public.userprofile where authkey::text = auth) THEN
  return true;
  else return false;
  END IF;
  END;

 select createticket('0d06829a-d271-4dde-b69a-6d16a2254143','test','test','test','test','test');