With this product-specific custom field you can display YouTube videos on the product page. To do so, enter one or more video IDs (multiple comma-separated).
You can find the video ID as a code after the parameter "?v=" at the end of the YouTube link in the address bar.
URL: https://www.youtube.com/watch?v=eVrQ0Lvn5ZI
Example: eVrQ0Lvn5ZI
Note: You can enable/disable the "Product videos" in the theme configuration.
You can find the "YouTube video(s)" custom field in the respective product:
Tab "Specifications" ⇒ Block "Custom fields" ⇒ Tab (Set) "Videos (... Pro)"
Type: Text
Technical name: twt_{theme}_{edition}_custom_field__product__youtube_video