Linking 2 automation tracks together

I am using MashFX over a voice track, and I want to unmute this track only when the effect is active.
So I wrote an automation track for Slutter 8 of MashFX, and an automation track to bypass the plugin.
It works, but I want future changes of the Slutter 8 automation track to be copied onto the bypass automation track.
How can I do that?



Sorry, you cannot link 2 (or multiple) automation tracks. The only way is to copy the automation data to the other track.