local healthPotID = {118, 858, 4596, 929, 1710, 18839, 3928, 13446}
local function useHealPots()
  for i=#healthPotID,1,-1 do
    if GetItemCount(healthPotID[i]) >= 1 and player.health.percent <= 20 and (GetItemCooldown(healthPotID[i])) == 0 then
      macro('/use '.. GetItemInfo(healthPotID[i]))
      return true
    end
  end
  return false
end