warper npc require items

[VladimirCastro]

// --------------------------------------------------
   Special:
// --------------------------------------------------
menu    "Auction Hall",S1, "Battlegrounds",S2, "Casino",S3, "Gonryun Arena",S4,
   "Izlude Arena",S5, "Monster Race Arena",S6, "Turbo Track",S7;

S1: Go("auction_01",22,68);
S2: Go("bat_room",154,150);
S3: Go("cmd_in02",179,129);
S4: Go("gon_test",48,10);
S5: Go("arena_room",100,88);
S6: Go("p_track01",62,41);
S7: Go("turbo_room",99,114);
}

how can i make it like for example before i can go to auction_01 i need to have an requirement items ?

[Euphy]

These are standard menu options and labels, so you can add conditions directly to the label.

S1:
   if (countitem(512) < 10) { message strcharinfo(0),"You need 10 apples to warp here."; close; }
   else { delitem 512,10; Go("auction_01",22,68); }

[VladimirCastro]

hello for example i dont want the items to be deleted how can i do that?

[Euphy]

Don't include delitem? o.o