Slider interaction on an element outside the slider?

Hi guys,

I’ve been trying to add an interaction to a slider that changes the opacity of a nav link as the slider progresses.

So when Slide 1 is shown, nav link1 has it’s opacity triggered by an interaction.

Can this be done in webflow or would it require some custom coding?

https://preview.webflow.com/preview/slider-nav-test?preview=c9822b71043f8845b9acadf9d2f96d40

Many thanks,
Sean.

Anyone think they can help with this?

Many thanks,
Sean