Returns the parameter's expression in form of a string.
Namespace:
Autodesk.Revit.DB
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:
2016 Subscription Update
Syntax
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Return Value
The string representing the expression assigned to the parameter.Remarks
Returns an empty string a case the parameter is not determined by
a formula, or if the the expression cannot be converted to a string.