How to get email or Alert trigger for long running events in Process chain in BI 7.3

Hi,

Good evening.

I have a requirement like, Developer or respective persons should get mail for long running events in process chain. We have options to get mail for success and error but here case is, if DTP load taking more time then last loads or estimated time then we should get mail(s) like who we will get mails for success  and error.

Thanks,

Ashok Reddy K.