Gets the identifier of the symbol indicating the unit quantifying the value.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2014
Syntax
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Return Value
The symbol identifier. An empty identifier string indicates no symbol.Exceptions
| Exception | Condition |
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| Autodesk.Revit.Exceptions InvalidOperationException | UseDefault is true in this FormatOptions. |