Dear Friends,

I have a trouble understanding the situation , which is

I have clientA S4Hana Client B Gateway

they are centrally managed with solution manager

Story

User gets in to Initial fiori app enter his email id to reset password from G10

(now i need to take this email id and compare whether the user is still in that system or not(su01))

if yes.

i need to execute (password generator or reset function(which function is that?))

if no

i need to tell the user in the app user not found.

so please tell me which tables and function module i can use to build my self automated service app.

My ABAP skills are not quiet good bcuz i havent used them for a while like 2 years bcuz of HANA.

Kindly help me by guiding me how i can handle the ABAP implementation linked with different systems. Which tables or function module could be handy and useful.

How to use RFC in my situation.

Curse my Brick head. :-(

Br,

Gabriel.