Sidechaining a snare gate via MIDI?

AllanD

boom tap boom-boom tap
Jul 2, 2008
2,828
0
36
Houston
How do? I'm using reaper, I want the gate to open whenever the MIDI track I'm sending to the snare track hits. Reagate doesn't do it, already tried.
 
Nevermind, it was easier to just automate the gate for sections where the snare is quieter.