Create an instance of a schedule on a sheet. 
   Namespace:   Autodesk.Revit.DB  
  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 document 
- viewSheetId
 -  Type:  Autodesk.Revit.DB ElementId  
The id of the sheet where the schedule will be placed. 
- scheduleId
 -  Type:  Autodesk.Revit.DB ElementId  
The id of the schedule view. 
- origin
 -  Type:  Autodesk.Revit.DB XYZ  
Location on the sheet where the schedule will be placed. 
Return Value
The new ScheduleInstance.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | scheduleId is not a ViewSchedule that can be added to sheets. "Internal" schedules that are not user-visible but that are used in Revit to manage Keynotes and Revisions cannot be added to sheets. -or- viewSheetId is not a ViewSheet. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions ModificationForbiddenException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document is being loaded, or is in the midst of another sensitive process. | 
| Autodesk.Revit.Exceptions ModificationOutsideTransactionException | The document has no open transaction. |