Redirecting to an external page when logging out

[Abbottronix]

I want my users to be redirected to an external website when they logout. 

I found this OOTB script that I thought might do what I want:

However, when I activated it, instead of taking me to Google, it took me here:

[Sandeep Rajput · Accepted solution]

@Abbottronix 

On line number 9, you are trying to append gotoURL with the existing logout URL. Try updating 

response.sendRedirect(gotoURL);

Hope this works.

[Abbottronix]

Thank you very much!