Single Volume Swell linked to multiple Gain controls?

How to have a single Widget control other gain, without adding another Volume Pedal Widget?
Trying to have A single graphic Widget to control other (non-graphic) Gain sliders.

Two distinct Inputs:
(1) Amp 1 goes to VOLUME SWELL Out 1-2
(2) Amp 2 goes to GAIN Out 3-4
In, Wiring mode, When Duplicating the “Volume Swell” it was not linked to the original.
(1) and (2) just need be linked, performing the same Volume Swell task, only (2) will have a totally different input source without adding another Pedal Graphic.

If a control knob id added, it can be grouped and it all works as expected.
I was just wondering if there is a better way to do this without adding more graphics to the Global Rack.

You could hide the other linked widgets (in the widget properties) so only one is left visible.

The other method would be using scripting to control the other gains when your only widget is moved. The callback is
On WidgetValueChanged(newValue : double) from <Widget name>

Be aware that this is a one-way solution unless you also add callbacks for the script-controlled sliders with
On ParameterValueChanged(parameterNumber : integer, parameterValue : double) from <Plugin block name>
to move the widget when you adjust the other sliders.

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