function add_npc(section, pos_x, pos_y, pos_z, lvid, gvid, custom, sid)
    local sim = alife()
    local sobj = sim:create(section, vector():set(pos_x,pos_y,pos_z), lvid, gvid)
    if sobj and (custom or sid) then
  local pk = get_netpk(sobj,1)
  if pk:isOk() then
   local data = pk:get()
   if custom then data.custom_data:setString(custom) end
   if sid then
    dct.store_sid(sid,sobj.id)    -- сохраним сид
   end
   pk:set(data)
  end
    end
    --printd("create %s ID = %d",section,sobj.id)
    return sobj
end