While converting older app connect bootstrap3 pages, I came across a page that uses html5 audio source code. Do I use the Dynamic Attribute link to set up the src="" for .mp3, .m4a, etc? See image:
Yes exactly - when you have AppConnect on the page - you can use dynamic attributes on any html tag.
Just prefix the real attribute with dmx-bind: and give it an expression as value.
Usually you can do it via the App Structure Properties inspector or domTree - where you see the “Dynamic Attributes ( + )”
But if you don’t see all the attributes available there for a specific tag - you can always add them in the code indeed.