How do you make a floating group go down on the right side?

[lea.durrent]

Hi everyone,

I need your precious help

I am building a webapp similar to airbnb. On my activity page (view on desktop) , I need a block to go down as the user scroll down.

From this

to

You can visit this page airbnb.fr/experiences/74139?checkin=2021-07-02&currentTab=experience_tab&federatedSearchId=3a091181-e37b-4198-ac06-dc847df222f3&searchId=&sectionId=d04715f3-92d7-4292-b2fc-7cc83a714839&source=p2

how do you make this happen ? I am stuck.
I tried with the Relative Positioner (float) plugin but I don’t know how to make it works .
I tried to make a floating header and a group focus ? but didn’t work.

Thank you for your help

Séverine

[wknepp]

I’ve never used one, but I’m pretty sure what you are looking for is a footer.