We typically err on the side of keeping things explicit. There are a couple of techniques you can use - you can make use of kwargs/args in your function definition so you can provide variable number of inputs. I sort of an example here: https://github.com/datajoely/modular-spaceflights/blob/main/src/modular_spaceflights/pipelines/feature_engineering/pipeline.py#L41 you also may want to get creative with hooks.