Identify if generalnote on inventor drawing exists using iLogic.

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VB

Hi,

I'm using Inventor iLogic to place a GeneralNote on a drawing if certain boxes aren't all filled out. There is a rule to identify this and it works and is set up in another rule, which activates this rule if there is a problem. These rules are triggered by the save button so unchecked drawing are watermarked and can't be made by the workshop.

How do I write another bit of code that identifies if the GeneralNote already exists on the drawing? I would like to create an 'if generalnote exists do not place another general note rule'.

MessageBox.Show("This drawing has not been checked or approved. This message will be left as a watermark when document is saved.")
Dim oDrawDoc As DrawingDocument
 oDrawDoc = ThisApplication.ActiveDocument
'  a reference to the active sheet.
Dim oActiveSheet As Sheet
 oActiveSheet = oDrawDoc.ActiveSheet
'  a reference to the GeneralNotes object
Dim oGeneralNotes As GeneralNotes
 oGeneralNotes = oActiveSheet.DrawingNotes.GeneralNotes
Dim oTG As TransientGeometry
 oTG = ThisApplication.TransientGeometry
 

Dim sText As String	
sText = "DRAFT COPY" & vbCrLf & "NOT FOR MANUFACTURE" & vbCrLf & "CRITICAL SECTIONS NOT FILLED OUT" 

Dim oGeneralNote As GeneralNote

oGeneralNote = oGeneralNotes.AddFitted(oTG.CreatePoint2d(0.6, 6.5), sText) 'Bottom Left
oGeneralNote.TextStyle.FontSize = 0.5

What I have tried:

I have looked in the model tree and the GeneralNote doesn't exist in there, and even if it did I don't know what code I would write to do this. I have used google with no answers and ChatGPT is useless for iLogic problems.

Many thanks!