Get the hook orientation angle at end that is currently in the rebar. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0) 
  Since:  2018 
Syntax
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Parameters
- end
 -  Type:  System Int32  
The end of bar. Should be 0 for start or 1 for end. 
Return Value
The hook orientation angle at end that is currently in the rebar.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentOutOfRangeException | Invalid end. |