This would require a bit of customization which is outside the scope of our support but I'll just help you get started. Here are the steps or required setup.
- Use the the Video Post Format first
- Create your Youtube playlist embed code.
- Insert the embed code in the Embedded Video Code field under the Video Post Settings
- In the same field, insert the script suggested in here then wrap it with
<script></script> tags. If you're using Cornerstone, you can also put the code inside the Content JS but this time without the
Please remember the disclaimer posted in the other thread that we are not responsible for issues and enhancements for this customization.
In the future, you might not need this because there would be a Layout Builder which will enable users to create their own archive and single post design.
Hope that helps.