Apple Logic Pro 9 - Manual (Page 86)

Once you have a good understanding of Logic Pro fundamentals, and how you like to
work, you can freely assign your own set of key commands. Logic Pro functions and
options that can be assigned to key commands can also be assigned to MIDI commands,
sent from your MIDI controller. More detail on these advanced topics can be found in
Working with Key Commands .
86 Chapter 3 Overview of the Logic Pro Interface