Thank you very much @IreneZanon for your presentation during the stream, I found it was a very good and clear introduction to UI Material Lab !
I am currently stuck though : I have made a kind of radial progress gauge which can be controlled through scalar parameters (percentage of the gauge, display options, etc.)
I made it a material instance, created a UI widget, and although I can access to the MaterialInstance scalar parameters in the BP (I can print values returned by “Get Scalar Parameter Value”) when I set them, changes can’t be seen on screen.
Any idea of what I am doing wrong ?
Here is my widget BP :
