Crafting Recipe help

[Lokiare]

Apparently the index starts at 0 despite the fact that lua indexes start at 1. I'm now getting an error:
Lua engine: attempting to push a plain pointer, pushing nil instead. This indicates an unimplemented part of MCS bindings
Stack trace:
Stack trace end

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Looks like you can create a custom crafting recipe by filling the recipe with created items

Recipe:SetIngredient(0,0,E_ITEM_Iron, 1, 0)

Then after setting all of the ingredient slots you set the result:

Recipe:SetResult(88, 1, 0)

Then you use a for loop to compare the Grid items to the recipe items:

		local count = 0
		for x=0,2,1 do
			for y=0,2,1 do
				if Grid:GetItem(x,y):IsSameType(Recipe:GetIngredient(x,y)) then
					count = count + 1
				end
			end
		end

Then you just return true if it matches and false if it doesn't.