snd_soundmixer_set_trigger_factor
🟪 Executable on Client and Server
snd_soundmixer_set_trigger_factor 
Set named mix layer / mix group, trigger amount.
Warning:
 
This is a cheat command and can only be used when sv_cheats  is set to 1.
🟪 Executable on Client and Server
Set named mix layer / mix group, trigger amount.
This is a cheat command and can only be used when sv_cheats  is set to 1.