Linked Attributes Between Subpatchers in RNBO

Does anyone here know how to update multiple attributes at once within RNBO? I've tried attrui at the Max-level, but even that only allows one property change at a time. When I make a change in my mono subpatch, I'd like that to also be reflected in the poly subpatch.

Below, when I update mono/oscillators/levelA, I'd like the same change to be reflected in poly/oscillators/levelA, etc at the same time. I'd basically like this to be reflected across all attributes. The simplest approach I thought of was giving each subpatch the same name, but this doesn't seem to do the trick. Would love to hear of some other approaches!