UPCarouselFlowLayout | A fancy carousel flow layout for UICollectionView on iOS | Carousel library

I know this question has been asked a lot of times and there are many probable answer, but none of them helped me to get over my problem.
Here some possible solution's which I am trying out.
Solution1 Solution2 and many suggested solutions on the site.

I am also using Notification service & Notification Content Extension in my project.Also I am using firebase for push notifications.
From the time since I have integrated .xcconfig files to manage staging and production configuarations using This tutorial all the problems have started.

I have created a carousel view using UPCarouselFlowLayout and it works well. But when the UIButton in the view is clicked, no action occurs. How do I make it so that when the UIButton is clicked, it calls a particular action?

CollectionViewCell:

In profile screen retrieve data from firestore of user name, email id, car category. Here car category are compact, small, midsize and full. And storing carCategory parameter value as String (i.e: CarCategory: "1" that means car category is "0" then its compact car if car category value is "1" then its small).

In user update page, car category is a collection view flow layout is carousel view
if car category cell index path value is 1 then it show cell details without scrolling.

Here is the screenshot of which i excepting ::

My question is how to load specific cell index in collection view cell.

Here is the code which i have tried so far::

Here UPCarouselFlowLayout is used for carousel scroll. As of now, user must tap a cell in order to trigger collection view didSelectItemAtIndexPath. Is there a way to select the center cell once the scrolling ended automatically?

here is the code i used to carousel: