Customizing MIDI controllers for automation
If you go to Mix | Automation Preferences, the following window appears:
If I was writing this book a couple of years ago, I would have spent some time instructing you as to how to use Automation Quick Access to teach your MIDI controller to use its knobs or faders to control automation in real time. Nowadays though, there are a slew of affordable MIDI controllers that come with mapping for Logic Pro, so there is no need to do so. If you are a beginner, you should certainly consider buying one.
Alternatively, you can download the free Logic Remote app for an iPad or iPhone if you own one and use that for this purpose.