How to load one parameter on one fader without having to select it (I hope you understand my english I'm French)

Hello there, 

I'm working in a theater with my EOS IonXe and VLZs.

For a project and some in the future I'd really like to have my speed of gobo rotation on one fader.
I try everything I can to record it or load it in a fader but it doesn't work here. 

There is my way of doing it actually : 

- Select Fixtures -> select for my coding line "Spd Gobo2" and then [record only] in my fader.
Not sure I'm doing it in the right way. I also attempted some other things, but it's quite the same than this one.

Is there someone with the solution here? Thanks a lot.

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