Ableton Midi Recording Help

[sailingships]

I have an M-Audio Axiom 61. It works just fine, i can assign all the sliders to custom settings etc. Only problem is, as an example:
Lets say im using Operator, and in operator i set one of my sliders to control the filter frequency. I record something while playing it life, messing with the slider changing its frequency, sounds all awesome and whatnot. Then when i play back the midi file, it did not record any of my slider alterations.

This is really bugging me. Im tired of having to set up another audio channel to listen to my midi channel. I'd like to modify it after i record it, so i need it to be midi.

Any ideas?
Thanks in advance

[towifer]

Do you have the automation (when you move the slider) set to record?

[sailingships]

Where is that option? I don't believe so.