I recently built a private app and had it up and running on my HubSpot test account but I noticed I can’t use some HTML elements and iframes.
Is there a way to add iframe elements that can be used for to display content from external websites on my UI extensions app?
Hi @ARichard9 and welcome, we are so glad to have you here! 
Thanks for asking the Community!
I’d like to share this article “Embed content using an embed code” that might be of interest.
This thread might help you: “Possibility to Iframe hubspot fully?”.
Also, I’d love to put you in touch with some of our Top Experts:
Hi @jrac, @Anton, @Syeda_Fatima and @stefen do you have suggestions to help @ARichard9, please?
Thanks so much and have a lovely weekend!
Best,
Bérangère
Hi Berangere , thanks for the reply unfortunately that’s not my use case. I’m referring to the UI extensions currently in Beta
Hi @ARichard9 and thanks for sharing the documentation!
I’d like to share this resource “Open an iframe in a modal” that might be of interest.
I hope it helps!
Have a great day!
Best,
Bérangère