# advanced-need-help


09/01/2022, 9:25 PM
Hey guys, let's assume I'm working with this object that I need to configure across pipeline steps, a bit like what you do with the builder pattern in OOP. It is actually a powerpoint presentation and I'm adding slides to it in different pipeline nodes. As a consequence I'm both receiving the presentation object as node parameter and returning it from each node. Is there a way around the
A node cannot have the same inputs and outputs
error, or would you suggest a different approach? Thanks!