How to import Sales Forecast by Customer and Item

We are on Sage 100 Advanced v2022.1 and I don't see anywhere a Sales Forecasting report or option to enter numbers or imported via VI.  

We have a new Sales Executive and he wants me to import sales forecast numbers, by Customer and Item to produce a report showing last year or two sales vs. forecasted ones he has on a spreadsheet.  I see only 1 article that referenced creating UDT in IM_ItemCustomerHistoryByPeriod, but then comment by a user not to do that as the IM_ItemCustomerHistoryByPeriod could get cleared out by various utilities.

Does Sage 100 have a way to do forecasting for Customers and Items they purchased?  If so, how?