How to condense user made schematic blocks

I am brand new to SigmaStudio/ADUA170x family/DSP in general. I have successfully implemented a (somewhat) scalable mixer featuring the following:

Input Channel index selectable through an external ADC pot

Volume control of indexed input channel through a separate ext. ADC pot

When switching channels, volume setting is preserved. Upon returning to a previously channel, volume will not change until the knob has been physically set back to around 0

Question is, as I want to expand to more input channels and eventually make it multi-output (individually controlled), I would like to make it look cleaner. Is there a better way to wrap my user defined blocks into a general block I can copy/paste around? I tried to to do so, but having block schematics in block schematics gets very weird and can even end up breaking certain functions, such as the SR latches. A way to right custom algorithms would be nice. You can see the multiple user blocks I have, but it is starting to get very messy, very quick. I've seen some things where others are using what looks to be a global pin, but not sure where to find that in the SigmaStudio 4.7 UI.

Audio Signal Processors

Audio Products

software

4.7

blocks

SigmaDSP Audio Processors

adau1701

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