crafttweaker function 1

import crafttweaker.item.IIngredient;
import crafttweaker.item.IItemStack;

function funcCrushing(input as IIngredient, output as IIngredient, energy as long, output2 as IIngredient, chance as float){
    var longchance = chance *100;
    var stackOutputList = output.items as IItemStack[];
    var stackInputList = input.items as IItemStack[];
    var stackOutput2List = output2.items as IItemStack[];
    var stackOutput = IItemStack;
    var stackInput = IItemStack;
    var stackOutput2 = IItemStack;
    for item in stackOutputList{
        stackOutput = item;
        break;
    }
        for item in stackInputList{
        stackInput = item;
        break;
    }
        for item in stackOutput2List{
        stackOutput2 = item;
        break;
    }

    mods.thermalexpansion.Pulverizer.addRecipe(stackOutput, stackInput, energy, stackOutput2, longchance);
}

funcCrushing(<minecraft:stone_slab:3>, <minecraft:stone_slab:1>, 1500, <minecraft:wool:4>, 0.2);