function I6600509_Use(MapID, InstanceID, TypeID, TargetID)
  role.AddRoleItem(MapID, InstanceID, TargetID, 4040016, 1, 6, 8, 420)
  role.AddRoleItem(MapID, InstanceID, TargetID, 4820274, 2, 6, 8, 420)
  role.AddRoleItem(MapID, InstanceID, TargetID, 3070011, 1, 6, 8, 420)
  role.AddRoleItem(MapID, InstanceID, TargetID, 3020071, 1, 6, 8, 420)

  if math.random() < 0.3 then
    role.AddRoleItem(MapID, InstanceID, TargetID, 3050110, 1, 6, 8, 420)
  end
end

function I6600509_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
  local bRet, bIgnore = 0, false
  local FreeSize = role.GetBagFreeSize(TargetID)
  if FreeSize < 3 then
    bRet = 40
  end
  return bRet, bIgnore
end

aux.RegisterItemEvent(6600509, 1, "I6600509_Use")
aux.RegisterItemEvent(6600509, 0, "I6600509_CanUseGiftBag")