View Numbering in sheet

Hi

I am trying to create a dynamo for View Numbering in sheet. I am not able to assign a detail number value for views in the sheet.

please refer below image .

Thanks

Swapnil

sheet

CAn you upload a better screenshot. We can’t read your node names. Also have you looked at this http://au.autodesk.com/au-online/classes-on-demand/class-catalog/2015/revit-for-architects/as12000#chapter=0