Factorio Forums

I have the following BP
The Inserter that feeds into the storage chest should insert X stacks of the produced item.

My problem is that I don't know how I can ask the player to provide a number. And then I need to use that number and multiply it with the stack sice of {0}

I came up with this solution:

1. Add something not used in your blueprint, like a Constant combinator, with some unused signal, like "A".
2. Set it to some not used value, like "A = -1".
3. In parametrized BP window place checkmark for "Parameter" for this "-1" and set its "Variable" to "n" (or any other not used).
4. And for your output set "Formula" to "p0_s * n".
5. Place blueprint, set parameters.
6. Remove Constant combinator (ghost or already built if your bots are fast).

If you set signal or signal value to be the same as some other signal or value in this blueprint, it will merge into one. As described here: 117000. I disagree with this behavior, but Dev said it is as it is. Oh, well...

Also here is related suggestion to you question: 116330

Yeah, that's probably the easiest way to do it. If you're already using a requester chest, instead of adding a constant combinator you can add another logistic group to the requester chest to use as a dummy parameter and just disable it, though constant combinator will give you a bigger selection of signals than just the item ones.