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782 | ChApTer 18 AnnotAting Your Design

Figure 18.45
setting the
parameter prop-
erties

Choosing between project and shared parameter is the first choice you’ll need to make.
We’ll get to shared parameters later, so for now, leave it at the default of Project Parameter.
4. Set the Name to Reuse. This is used for describing the parameter as well as referencing it
in schedules and the Properties palette.
5. Leave the Discipline at Common.
The Discipline drop-down menu will give you a few choices: Common, Structural,
Electrical, HVAC, Piping, and Energy.

6. Set the Type Of Parameter to Yes/No.
This setting dictates the format or behavior of the parameter. As you can see in Figure 18.46,
there are a variety of parameter types. It’s important to understand some of these options
and, more specifically, their differences. If you start creating formulas with your parameters,
you’ll quickly understand how imperative it is to use the proper type. For instance, you
cannot multiply Angle × Volume. Text cannot be added to a formula. Integers do not have
decimal values. Many of these values are easy to understand if you apply a bit of logic.

Figure 18.46
Listing of avail-
able parameter
types

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