M

FamilyManager.AddParameter

Description:
Add a new shared parameter to the family.

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.

Overloads (5):

AddParameter(ExternalDefinition,BuiltInParameterGroup,Boolean)

AddParameter(ExternalDefinition,ForgeTypeId,Boolean)

AddParameter(String,BuiltInParameterGroup,Category,Boolean)

AddParameter(String,ForgeTypeId,Category,Boolean)

AddParameter(String,ForgeTypeId,ForgeTypeId,Boolean)

[ObsoleteAttribute("This method is deprecated in Revit 2024 and may be removed in a future version of Revit. Please use the `AddParameter(ExternalDefinition, ForgeTypeId, bool)` method instead.")]
public FamilyParameter AddParameter(
	ExternalDefinition familyDefinition,
	BuiltInParameterGroup parameterGroup,
	bool isInstance
)

<ObsoleteAttribute("This method is deprecated in Revit 2024 and may be removed in a future version of Revit. Please use the `AddParameter(ExternalDefinition, ForgeTypeId, bool)` method instead.")> _
Public Function AddParameter ( _
	familyDefinition As ExternalDefinition, _
	parameterGroup As BuiltInParameterGroup, _
	isInstance As Boolean _
) As FamilyParameter

[ObsoleteAttribute(L"This method is deprecated in Revit 2024 and may be removed in a future version of Revit. Please use the `AddParameter(ExternalDefinition, ForgeTypeId, bool)` method instead.")]
public:
FamilyParameter^ AddParameter(
	ExternalDefinition^ familyDefinition, 
	BuiltInParameterGroup parameterGroup, 
	bool isInstance
)

Autodesk.Revit.DB.ExternalDefinition

familyDefinition

The definition of the loaded shared parameter.
Autodesk.Revit.DB.BuiltInParameterGroup

parameterGroup

The group to which the family parameter belongs.
Boolean

isInstance

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.

Autodesk.Revit.Exceptions.ArgumentException

Thrown when the input parameter group cannot be assigned to the new parameter.
Autodesk.Revit.Exceptions.InvalidOperationException

Thrown when the shared family parameter creation is not supported. Or trying to add an instance parameter of image type.