The end type identifying the connection type among stairs runs and landings. 
   Namespace:   Autodesk.Revit.DB.Architecture  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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Members
| Member name | Description | 
|---|---|
| ET_Landing | A connection to the boundary of a stairs landing. | 
| ET_RunStart | A connection to the start (lower end) of a stairs run. | 
| ET_RunEnd | A connection to the end (upper end) of a stairs run. |