Requirements:
- ACF fields
- functions.php
- youtube embedded url, local video is fine also.
Step 1: Create an acf field for your video embed. In this tutorial we will add “video_embed” for our video embed and “enable_autoplay” for enabling autoplay.

note: we have added an autoplay because the client for this code requested if its possible to have a switch that disable or enabled the autoplay feature.
note: erase the #1 custom field since that field is irrelevant in this tutorial.