In the action list window "Main Section"

Type: region chord player

highlight > Script: ReaTrak midi chord input to region chord player.lua
and click Edit
copy this text
if notenums == "0,4,7"

click back on the script window
ctrl+F
ctrl+V
Enter

will take you to the chords
you can see what ones are missing and let me know
or you can add the chord in
0 being the root of the chord and 4 being 4 notes up from 0, 7 being 7 notes up from 0
ctrl+S to save and re-run