Logic Pro How do I edit the CC parameters for the SAMPLER so I can use a generic 3 fader controller?

[Richmmm]

I have a new fader controller that I am trying to program for
3 faders with Logic SAMPLER chellos+...cc's fpor expression (11) Modulation (1) and Volume (7)...anyone have one of these and /or have programed in the LogicSAMPLER...I have faders programed correctly, but can't seem to get the Logic SAMPLER settings correct...any help greatly appreciated