itemstack

how can i choose what i want in an itemstack group:

var Blueprints as IItemStack[] = [
    <silentgear:blueprint_sword>,
    <silentgear:blueprint_dagger>,
    <silentgear:blueprint_katana>,
    <silentgear:blueprint_machete>,
    <silentgear:blueprint_pickaxe>,
    <silentgear:blueprint_shovel>,
    <silentgear:blueprint_axe>,
    <silentgear:blueprint_hammer>,
    <silentgear:blueprint_excavator>,
    <silentgear:blueprint_mattock>,
    <silentgear:blueprint_sickle>,
    <silentgear:blueprint_bow>,
    <silentgear:blueprint_helmet>,
    <silentgear:blueprint_chestplate>,
    <silentgear:blueprint_leggings>,
    <silentgear:blueprint_boots>,
    <silentgear:blueprint_rod>
];

-i want to choose sword blueprint but i don't know how.-

for blueprint in Blueprints {
    recipes.addShapeless("SwordBP", blueprint, [<silentgear:blueprint_paper>, <minecraft:iron_sword>.anyDamage().reuse()]);
}

-i tried "[1]" but it isn't worked help-