Revit 2025.3 API
Formula |
Evaluates value of the formula
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public static string Evaluate( ElementId parameterId, Document document, string formula )
Public Shared Function Evaluate ( parameterId As ElementId, document As Document, formula As String ) As String
public: static String^ Evaluate( ElementId^ parameterId, Document^ document, String^ formula )
static member Evaluate : parameterId : ElementId * document : Document * formula : string -> string
Parameters
Return Value
String
Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |

It evaluates formula using list of global or family parameters depends on document type.
See Also