Cross Filtering Columns Chart Using a Slicer

[weakneee]

Hi everyone,

I hope you're doing well.

I have a question that I'm finding quite hard to find a solution. I put a slicer as a summary to select a specific training and from therem, visualize the infos collected from attendance lists. What I want is when a specific training is selected, the column chart doesn't display filtering one column, but all of them being displayed with a "shadow", if I can say, behind them. I illustrate below: 

How it is:

How I'd like to be:

Thank you to take your time to help me.

[lbendlin]

In the options you can change the default behavior from cross filtering to cross highlighting.