Returns Ids of the servers currently applicable to the given document for the service. 
   Namespace:   Autodesk.Revit.DB.ExternalService  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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Parameters
- document
-  Type:  Autodesk.Revit.DB Document  
 The associated document.
Return Value
A set of GUIDs of the document-applicable active servers; the list may be empty.Remarks
 The Ids would be of all the servers explicitly assigned to the specified document. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |