Fiori Import sales Order - Custome Excel Template

Hi All,

We presently person the Import Sales Order (App ID F4293) application up and moving successful our accumulation system. This is moving good by modular functionality, but our concern users person requested an improvement. 

In Import Sales Order, determination is simply a template that is downloaded and utilized by users to input their income bid information earlier being imported successful the application. 

Certain Columns that are required request to beryllium filled manually (since concern transcript pastes information from  a reference) 

*Sales Order (Temporary ID) and Item (Temporary ID) 

I person created a look which car fills these fields for the user.

Now the question is if determination is simply a mode to update the excel that is being downloaded from the fiori app and regenerate it with an updated 1 I person amended which includes this formula.

I person already reached retired to our improvement squad regarding this, but they are inactive familiarizing themselves with this process. Any adjuvant penetration is overmuch appreciated (where to look, transaction codes to visit)