I just finished watching this presentation: https://seminars.adobeconnect.com/p43ucnv6655/?proto=true
I am trying to add a granite:class property to my granite/ui/components/foundation/form/select widget.
I was able to add this to a textfield, but it doesn't appear to be working for the select field.
Can someone please advise on how to go about adding this property?
An example (with Granite UI - RadioGroup - granite:class and granite:data):
This is the markup in .content.xml:
This is the rendered DOM: