How do I set up email notifications on OC?

I have turned on the email function,But I don’t know where to set up how to get OC to send mail when Process goes wrong and send to who.
Pls help me, Thanks.

@nick.wu

Can you please share the screenshots/?

This looks like an help you are requesting. This is posted under feedback. Please confirm @nick.wu I will move this to help category. BTW what is OC?