e.g.
Code:
property pCreatorCode : "OOut" tell application id "com.apple.systemevents" try set procOO to first process where creator type is pCreatorCode on error display dialog "OmniOutliner is not running" return end try set strName to name of procOO end tell set strScript to " script on CountRows() tell application " & quote & strName & quote & " if count of documents > 0 then tell front document set strMsg to \"Number of rows in \" & name as string & \" is \" & (count of rows) as string display dialog strMsg end tell end if end tell end CountRows end script " set oScript to run script strScript CountRows() of oScript