Navigation viewport

Hi am a camera artist I’d like the ability to map The role attribute to my mouse so when I’m working in the viewport I could click on right mouse button for example and then roll the camera.
As I’m able to pitch and pan the camera via the viewport but I’m unable to roll.

I think you would need to add an Add Controller Roll node to an InputAxis(whateverkey) node, there’s a good video of that here around the 2:20 mark: