|  Unit  | 
 Checks whether a ForgeTypeId identifies a symbol. 
 Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax  Parameters
- symbolTypeId ForgeTypeId
- The identifier to check.
Return Value
BooleanTrue if the ForgeTypeId identifies a symbol, false otherwise.
 Exceptions
 Exceptions  | Exception | Condition | 
|---|---|
| ArgumentNullException | A non-optional argument was null | 
 Remarks
 Remarks   The SymbolTypeId class offers symbol identifiers. 
  See Also
 See Also