Setting sidechain input on Vocal Rider in FL

[apex39]

Hi,

I've got Waves Vocal Rider plugin, and I don't know how to set the sidechain input on it to the instrumental bus in FL Studio.
I've tried do it in Wrapper settings, but I think don't exactly know how to set it up.

 

[Emphasis]

Just an open ended question for OP, or anybody else who can answer it:

Why do (or did you at the time of post) want to side chain the vocal rider?

I've heard a lot of people complaining about the lack of side chaining capabilities from waves vocal rider, but simply fail to see the practical use or benefits of side chaining the plugin.

Are/ were you trying to get the fader's levels to ride up and down based on the dynamic range of another track? i.e. your instrumental track controlling your lead vocal's dynamic range?