sound at the end

Hi, i need to make beep the job when is finished.

I have tried with Java Snippet

System.out.print("\007");
System.out.flush();
Toolkit.getDefaultToolkit().beep();

and R snippet:

alarm()
system("rundll32 user32.dll,MessageBeep -1")
cat("\a")
library(tcltk)
tkbell()

I can't hear any sound. Anyone have a solution? (The volume is on =))

 

java.awt.Toolkit.getDefaultToolkit().beep();

Was beeping for me.

I'm using a remote version of knime. Is not my pc that make a beep but the remote server =)

Thanks