StopSoundPlayback

Stops the currently playing sound from Streamer.bot, by name

public void StopSoundPlayback(string soundName)
soundName
string required 
void

using System;
public class CPHInline
{
    public bool Execute()
    {
        //Stop all sounds with the name "Kachow"
        CPH.StopSoundPlayback("Kachow");         
        return true;
    }
}