Toggle Selected Track(s) or Channel Strip(s) Record Region Automation Mode
The “Record Region Automation Mode” switch is located in the automation pop-up menu for software instruments, and external MIDI instruments.
I am still not clear about recording automation into MIDI regions.
I am not the only one…
(5) Recording live region automation? — Logic Pro Help
I’m trying to record Expression (MIDI CC #11) using Logic’s automation record feature (tried both Touch and Latch), but no joy.
Capturing MIDI Controller Automation After Recording MIDI In Logic Pro | Logic Pro
When recording, you can record region-based automation data into MIDI regions on software instrument tracks even if tracks are in Read mode. The ability to remain in Read mode is a huge time-saving asset, freeing you from switching back and forth from automation mode.
Choose automation modes in Logic Pro — Apple Support
When recording, you can record region-based automation data into MIDI regions on software instrument tracks even if the track is in Read mode. In Logic Pro, do one of the following:
Choose automation modes in Logic Pro — Apple Support
Read: Plays back all automation that exists on the track. If volume data exists, for example, the Volume fader moves during playback, following the prerecorded automation on the track. You can’t change the value of the chosen automation parameter by moving controls when in Read mode. However, you can record region-based information directly into a MIDI region in Read mode.
If You Use Region Automation, This Is A Tip That Will Change The Way You Use It — YouTube
Region automation in Logic has been around for a while now. It’s excellent for automated parameter values that need to get moved with regions when copying/pasting/dragging them around the timeline. A problem arises, however, when some parts contain region automation, and others don’t. Does Logic chase the last used value? Or does it use the static default value set by you initially? Watch this video to learn how to control this critical behaviour that affects the playback of your mixes.
The region automation setting discussed in the YouTube video from Logic Pro Expert is a project-specific setting.