View the name and description of an assumption An assumption is a value that is used as input to an analysis and it is often changeable. Assumptions apply to an entire scenario. For example, your assumptions about water consumption per household will impact the indicator for total water consumption for a scenario. Assumptions can also be a way to express subjective inputs, such as how much weighting to give to a particular community value like open space or economic development. Output values that depend on a particular assumption are automatically updated when the assumption is changed and you click the Apply button. using the 360 Setup tab. Access assumption properties via the Work Flow, Tree, or Category view. The properties of an assumption include information about the format, allowed values, default value, and whether the assumption is fixed or variable. For help changing an assumption value during an analysis, see Changing assumption values.
Viewing the properties of an assumption from
the Work Flow view
Open the 360 Setup tab Work Flow view.
Click once on Assumptions
.
Click once on the assumption name you wish to
view and click the Properties
button 
or double-click the assumption name.
Viewing the properties of an assumption from
the Tree view
Open the 360 Setup tab Tree view.
Click the + next to the Assumptions folder to expand the folder.
If the assumption is assigned to a category, click the + next to the category folder to expand the folder.
Right-click on the assumption you wish to view and click Properties on the pop-up menu or double-click on the assumption name.
Viewing the properties of an assumption from
the Category view
Open the 360 Setup tab Category view.
Click the + next to the category folder containing the assumption to expand the folder.
Click the + next to the Assumptions folder to expand the folder.
Double-click on the assumption name you wish to view.