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Definition

A New Demand Stream event is usually created when you need to account for demand without prior historical data. In other words, it covers launching a new product or establishing a connection with a new group of customers. A New Demand Stream event also refines existing demand forecasts for products that already have historical sales records. It lets you integrate your internal demand estimates (Sales Out) to adjust the baseline forecast.

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Creating a New Demand Stream event

Click Event in the left side panel to open the SIMCEL Event Management page.
Event Management page showing the event timeline and the list of existing events

The SIMCEL Event Management page

To create a New Demand Stream event:
1

Create the event

  • Click New.
  • Select New Demand Stream.
  • Click Add.
Event type selector with the New Demand Stream option

Selecting New Demand Stream as the event type

New Demand Stream editor showing the impact definition area for the selected segment

The New Demand Stream definition screen

This screen gives you access to the definition of the new demand stream and its related impact on the selected segment.

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Create a New Demand Stream for a New Product Introduction (NPI)

To create an event reflecting a New Product Introduction, update the master data beforehand to include the new product and its related data.
Now create an event with an NPI on the overall business.
1

Name the event

  • Name the new event.
  • Name the version.
  • Select the period.
2

Select the new product

In the New product menu, select a product reference.
3

Select the product proxy

In the Product proxy drop-down, type and select a product reference.
4

Provide the monthly demand

Provide the monthly demand for the new demand stream. You can type each month’s value, or copy a row from a spreadsheet and paste it into SIMCEL.Click Save to save the impact.
5

Save the event

Save the event once you have finished editing.
New Demand Stream event editor with the event name and version name fields filled in

Naming the new demand stream event and version

Impact editor with the period date range selected

Selecting the period for the new demand stream

New product menu open with a product reference selected

Selecting the new product in the New product menu

To create a New Demand Stream, you must first select a single unique product in the Select Product search box. This enables the product proxy drop-down.
Product proxy drop-down with a reference product selected

Selecting a product reference as the product proxy

Selecting a proxy tells SIMCEL to use the historical demand profile from the proxy product to allocate the new product’s demand to lower-level segments, such as channel, province, or customer reference.
Monthly demand grid with values entered for each month of the launch period

Entering the monthly demand for the new demand stream

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Create a New Demand Stream with multiple customer segment impacts

You can also create an NDS/NPI event and set a specific impact per segment, which is useful when the product introduction happens differently across customer segments.
1

Create the event

  • Create a New Demand Stream reflecting a New Product Introduction.
  • Name the event and the version.
2

Add the first impact

  • Click Add to set up a new impact.
  • Set up the period.
  • In Target Customer Scope under Launch Definition, select a customer segment.
  • Update the Monthly Demand value, or keep it unchanged.
  • Click Save to save the impact.
3

Add a second impact

  • Click + Add within this event to add one more NPI.
  • Enter the same product and product proxy information as the first segment, but select a different customer segment in the customer drop-down.
  • Define the monthly demand value for this extra NPI.
4

Save the event

Save the event.
Launch Definition panel with the Target Customer Scope drop-down showing a selected customer segment

Selecting a customer segment in the Target Customer Scope

Monthly demand grid for the first customer segment impact

Setting the monthly demand for the first customer segment

Event editor with the + Add button used to create an additional NPI impact

Adding a second impact to the same event

Second impact showing the same product and proxy but a different customer segment selected

Selecting a different customer segment for the second impact

Monthly demand grid for the second NPI impact

Setting the monthly demand for the second customer segment

This creates an NDS event for a new product where the demand stream is set for two specific customer segments only.
If the chosen segment is unavailable for the proxy product — meaning the proxy lacks data or a demand pattern for that segment — no sales data is generated, even if you set a ramp-up period for that segment.