tell application "Keyboard Maestro Engine"
do script "C6ADF728-4358-4885-B0A9-70296E528B29"
end tell
It is possible for me to call the macro with a Launchbar or Alfred action.
Exactly the same I wanted to do with a macro group (here Palette) or a macro contained there.
As described in this article:
I just wanted to integrate the AppleScript into BetterTouch Tool.