Inserts a new instance of a family into the document. 
 Overload List
| Name | Description | |
|---|---|---|
|   |  NewFamilyInstance(Face, Line, FamilySymbol) |    Inserts a new instance of a family onto a face of an existing element, using a line on that face for its position, and a type/symbol.    |  
|   |  NewFamilyInstance(Line, FamilySymbol, View) |    Add a line based detail family instance into the Autodesk Revit document, using an line and a view where the instance should be placed.    |  
|   |  NewFamilyInstance(Reference, Line, FamilySymbol) |    Inserts a new instance of a family onto a face referenced by the input Reference instance, using a line on that face for its position, and a type/symbol.    |  
|   |  NewFamilyInstance(XYZ, FamilySymbol, StructuralType) |    Inserts a new instance of a family into the document, using a location and a type/symbol.    |  
|   |  NewFamilyInstance(XYZ, FamilySymbol, View) |    Add a new family instance into the Autodesk Revit document, using an origin and a view where the instance should be placed.    |  
|   |  NewFamilyInstance(Face, XYZ, XYZ, FamilySymbol) |    Inserts a new instance of a family onto a face of an existing element, using a location, reference direction, and a type/symbol.    |  
|   |  NewFamilyInstance(Reference, XYZ, XYZ, FamilySymbol) |    Inserts a new instance of a family onto a face referenced by the input Reference instance, using a location, reference direction, and a type/symbol.    |  
|   |  NewFamilyInstance(XYZ, FamilySymbol, Element, StructuralType) |    Inserts a new instance of a family into the document, using a location, type/symbol, and the host element.    |  
|   |  NewFamilyInstance(XYZ, FamilySymbol, XYZ, Element, StructuralType) |    Inserts a new instance of a family into the document, using a location, type/symbol, the host element and a reference direction.    |