Exposing controller parameters within a UVW controller assignment?

[stevesideas]

I've assigned a path constraint to a uvw gizmo within the track view but cannot work out how to expose the parameters for this controller. Normally it's in the motion tab but obviously this isn't standard object motion.

Any ideas how to do this?

[M.Max]

Not in front of my pc but as a quick hack I would link the uv gizmo to a dummy then use path constraint on that dummy to have more control over its motion..