sound alerts when prices reach a value (and without programing): impossible mission?

 
and besides, I do not understand the help window.
gives someone else?
if someone can help me, I would appreciate that.
greetings.
Less
aalesslp@gmail.com
 
Thank you very much for your response.
I had already gone to that help, but I can not get me out the window Alert Editor.
I can not continue where it says User-Defined Events.
Which may be the problem?

Greetings
Reason: