How are external demand signals input to replenishment planning and Demand management

Summary:

We have a customer who is planning to implement Oracle SC Planning. They have a requirement to input demand signals from marketing and sales team. I wanted to understand how does these additional inputs are taken into consideration. Is it via FBDI template of casual factors ?

Does the client directly need to add the additional forecast which they expect as part of the events and then this forecast would be added to the baseline forecasts?

Are these features available in replenishment planning as well ?

Any guidance is highly appreciated.

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