How Do We Create Custom Email Notifictaions For Particular Storefront?

We have CS-CART Mutivendor 4.13.3 SP2.
How do we create custom Profile Email notifictaions for particular storefront?
Fr Eg
Storefront A, Storefront B, Storefront C
We would like to send 3 different emails notifications when an account is registered in these three storefronts.
Is it possible in CS-CART Multivendor? Do we have any Addon?