Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
During Main Phase 2: Special Summon any number of Level 2 or lower monsters with different names from your hand, Deck, and/or GY to your zone(s) a Link Monster(s) points to. You can only activate 1 "Packet Link" per turn.
--パケットリンク
--Packet Link
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_MAIN_END)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(function() return Duel.IsPhase(PHASE_MAIN2) end)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c,e,tp)
	return c:IsLevelBelow(2) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local zone=aux.GetMMZonesPointedTo(tp)
		local ct=Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_TOFIELD,zone)
		return ct>0 and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_HAND|LOCATION_DECK|LOCATION_GRAVE,0,1,nil,e,tp)
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_DECK|LOCATION_GRAVE)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local zone=aux.GetMMZonesPointedTo(tp)
	local ct=Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_TOFIELD,zone)
	if ct<=0 then return end
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then ct=1 end
	local g=Duel.GetMatchingGroup(aux.NecroValleyFilter(s.filter),tp,LOCATION_HAND|LOCATION_DECK|LOCATION_GRAVE,0,nil,e,tp)
	if #g>0 then
		local sg=aux.SelectUnselectGroup(g,e,tp,1,ct,dncheck,1,tp,HINTMSG_SPSUMMON)
		Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP,zone)
	end
end