Corresponding C++ library: TG_Db 

See Bentley.ECObjects.Standards.CalculatedECPropertySpecification. ECCustomAttributeClass for specifying an ECExpression to be used for calculating the value of a given ECProperty.

Schema: Bentley_Standard_CustomAttributes, Version: 1.13, Class: CalculatedECPropertySpecification Available properties: "ECExpression"(string), "FailureValue"(string), "ParserRegularExpression"(string), "IsDefaultValueOnly"(bool), "UseLastValidValueOnFailure"(bool), "DoNotUseECMAScript"(bool), "RequiredSymbolSets"(array of string), "SuppressTypeConversions"(bool), "EnforceUnits"(bool)