how to create NPC that has menu that only show your equipment in inventory

[Pyumel]

getinventory_id or getinventory_equip ?

[Winterfox]

You can use getinventorylist and filter all items that aren't equipment or currently equipped equipment.

prontera,150,150,6	script	Demo	85,{
	disable_items;
	getinventorylist;
	for(.@i = 0; .@i < @inventorylist_count; .@i++) {
		.@item_type = getiteminfo(@inventorylist_id[.@i], ITEMINFO_TYPE);

		if ((.@item_type == IT_ARMOR || .@item_type == IT_WEAPON || .@item_type == IT_SHADOWGEAR) && !@inventorylist_equip[.@i]) {
			.@item_ref = getarraysize(.@equipment_id_list);
			.@equipment_id_list[.@item_ref] = @inventorylist_id[.@i];
			.@menu_labels$[.@item_ref] = getitemname(@inventorylist_id[.@i]);
		}
	}

	.@selected_item_ref = select(implode(.@menu_labels$, ":") - 1;
	next;
	mes "You selected: " + getitemname(.@equipment_id_list[.@selected_item_ref]) + ".";
	close;
}