Please help, we need guidance how to insert / display list of articles from the last 3 days on a page with wordpress function code?

So I’m trying to get my Advanced Custom Fields blocks registered in my functions.php file so I can begin building out my site but I keep running into errors. I’ve been going over the documentation and googling but I’m having problems finding solutions. Here’s my code:

Is it possible to fire an enqueue function in Wordpress?