Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Declare 1 card name. Look at your opponent's hand, and if they have the declared card in their hand, remove from play that 1 card. If they do not have the declared card in their hand, remove from play 1 random card in your hand.
--異次元の指名者
--D.D. Designator
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCategory(CATEGORY_REMOVE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetFieldGroupCount(tp,0,LOCATION_HAND)>0
		and Duel.IsExistingMatchingCard(nil,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CODE)
	s.announce_filter={TYPE_EXTRA,OPCODE_ISTYPE,OPCODE_NOT}
	local ac=Duel.AnnounceCard(tp,table.unpack(s.announce_filter))
	Duel.SetTargetParam(ac)
	Duel.SetOperationInfo(0,CATEGORY_ANNOUNCE,nil,0,tp,ANNOUNCE_CARD_FILTER)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local ac=Duel.GetChainInfo(0,CHAININFO_TARGET_PARAM)
	local g=Duel.GetMatchingGroup(Card.IsCode,tp,0,LOCATION_HAND,nil,ac)
	local hg=Duel.GetFieldGroup(tp,0,LOCATION_HAND)
	Duel.ConfirmCards(tp,hg)
	if #g>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
		local sg=g:Select(tp,1,1,nil)
		Duel.Remove(sg,POS_FACEUP,REASON_EFFECT)
		Duel.ShuffleHand(1-tp)
	else
		local sg=Duel.GetFieldGroup(tp,LOCATION_HAND,0)
		local dg=sg:RandomSelect(tp,1)
		Duel.Remove(dg,POS_FACEUP,REASON_EFFECT)
		Duel.ShuffleHand(1-tp)
	end
end