FamilyManagerAddParameter(ExternalDefinition, ForgeTypeId, Boolean) Method

Add a new shared parameter to the family.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
Copy
public FamilyParameter AddParameter(
	ExternalDefinition familyDefinition,
	ForgeTypeId groupTypeId,
	bool isInstance
)

Parameters

familyDefinition  ExternalDefinition
The definition of the loaded shared parameter.
groupTypeId  ForgeTypeId
The identifier of the parameter group to which the family parameter belongs.
isInstance  Boolean
Indicates if the new parameter is instance or type.

Return Value

FamilyParameter
If creation was successful the new shared parameter is returned, otherwise an exception with failure information will be thrown.
Exceptions
ExceptionCondition
ArgumentException Thrown when the input parameter group cannot be assigned to the new parameter.
InvalidOperationException Thrown when the shared family parameter creation is not supported. Or trying to add an instance parameter of image type.
Remarks
This method can work even without any family type, but it cannot be assigned the value via FamilyManager.Set methods when there is no current type.
See Also