Add a new parameter to the family.
Overload List
| Name | Description | |
|---|---|---|
 | AddParameter(ExternalDefinition, BuiltInParameterGroup, Boolean) | Add a new shared parameter to the family. |
| | AddParameter(String, BuiltInParameterGroup, Category, Boolean) | Add a new family type parameter to control the type of a nested family within another family. |
| | AddParameter(String, BuiltInParameterGroup, ParameterType, Boolean) | Add a new family parameter with a given name. |