Thank you for your help - I have sorted it finally.   

This is the HTML that is generated on the front end.<div class="product__accordion accordion"><details open=""><summary><div class="summary__title"><h2 class="h4 accordion__title">DETAILS</h2></div><svg aria-hidden="true" focusable="false" role="pres...

In the product.json file one of the metafields looks like this.  I looked through the main-product.liquid but didn't see any mention of the metafiles added.    "e5f5939a-f28e-486a-b73b-c9f702a0aeba":{"type": "collapsible_tab","settings": {"heading": ...

Hello Mircea,  Thank you for your continued help   I created this video to show you how I have set up the meta fields and how I am using them.   They are definitely not allowing HTML.   https://youtu.be/qEw206ihWjI

Hello Mircea,  Thank you so much for your help.   I added the metafield as a multi line text field but when I add code it shows the code on the front end.  The box doesn't have a "code/view" toggle.  I am using the Dawn theme and the metafield is in ...

I am trying to create a list and to add a link in a meta text field on the product page but it doesn't appear to allow HTML.  Is there some way to use HTML in these boxes? Thank you in advance for any help     

Hello KetanKumar,  Thank you so much for your help.  I added that but it created an error.  The code you gave me seems to be a different format than the code created by shopify.  Am I editing the correct file?  Product.json?  This is the code that sh...

I created several collapsible tabs on my product template.   They all have the same class so there is no way to style them individually.   I have tried adding what I think should work to the product.json file"e5f5939a-f28e-486a-b73b-c9f702a0aeba":{"t...