Common Family Parameters

When creating a common family parameter, specify the parameter type in the Parameter Properties dialog.

In the Family Editor, click Create tabProperties panel (Family Types). In the Family Types dialog, under Parameters, click Add. For Discipline, select Common. For Type of Parameter, select one of the following.

Name	Description
Text	Completely customizable. Can be used to collect unique data.
Integer	A value that is always expressed as an integer.
Number	Used to collect miscellaneous numeric data. Can be defined by a formula. Can also have real numbers.
Length	Can be used to establish the length of an element or subcomponent. Can be defined by a formula. This is the default type.
Area	Can be used to establish the area of an element or subcomponent. Formulas can be used in this field.
Volume	Can be used to establish the length of an element or subcomponent. Formulas can be used in this field.
Angle	Can be used to establish the angle of an element or subcomponent. Formulas can be used in this field.
Slope	Can be used to create parameters that define slope.
Currency	Can be used to create currency parameters.
Mass Density	A value that represents the mass per unit volume of a material.
URL	Provides a web link to user defined URL.
Material	Establishes parameter in which a specific material can be assigned.
Image	Establishes a parameter in which a specific raster image can be assigned.
Yes/No	Used most often for instance properties when the parameter is defined with either a Yes or No.
<Family Type...>	Used with nested components, Allows you to swap components after the family is loaded into a project.
Divided Surface Type	Establishes a parameter with which divided surface components (such as panels and patterns) can be driven. Formulas can be used in this field.