Scenario Toggle Behaviour
This article explains scenario toggle behaviour in Model Reef.
You will learn:
What scenario toggling means when each scenario is a separate model.
How to move between scenarios in practice.
How to design dashboards so they compare cleanly across scenarios.
Scenario toggling as model switching
In Model Reef:
Each scenario is a separate model.
Toggling scenarios means opening a different model that shares the same structure.
Dashboards, charts and tables then show the data for that model only.
From the user's point of view you move between scenarios by moving between models.
Making scenario switching feel consistent
To make scenario switching feel like a toggle rather than a rebuild:
Clone dashboards and custom reports from the base model into each scenario model.
Keep chart series, layouts and naming consistent.
Only change underlying variables and drivers per scenario, not the report structures.
When you open Base, Upside or Downside models, you then see the same pages with different numbers.
Scenario aware labelling
Because scenario context lives at model level:
Make scenario names explicit, for example
Client - FY25 - Base,Client - FY25 - Downside.Label exports and screenshots with the scenario name.
In presentations, clearly state which scenario each chart or table is drawn from.
This prevents confusion when multiple scenario outputs circulate at once.
Combining branch toggles and scenarios
You can combine two concepts:
Branch toggles within a model to turn parts of the business on or off.
Scenario models across the workspace to represent different futures.
For example, you might have a Base model with optional branches, plus a separate Stress model where assumptions are more conservative.
Scenario toggling in external tools
If you export data into BI tools or static reports:
Treat each scenario model as a separate data source or input file.
Implement scenario filters or toggles in those tools based on file or scenario labels.
From Model Reef's point of view, it remains responsible for producing clean, comparable outputs for each scenario.
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