MIDI-mapping FX

Hello guys,
Is it possible to let a poti control the dry/wet filter of a fx + selection of the effect + enabling it?
Or is it possible to have a button select and enable an effect?
If so, how?
Thanks in advance!
Is it possible to let a poti control the dry/wet filter of a fx + selection of the effect + enabling it?
Or is it possible to have a button select and enable an effect?
If so, how?
Thanks in advance!