Removes RhinoScript user data items from an object's attributes.
Rhino.DeleteAttributeData (strObject [, strSection [, strEntry]])
| strObject | Required. String. The object's identifier. | 
| strSection | Optional. String. The section name. If omitted, all sections and their corresponding entries are removed. | 
| strEntry | Optional. String. The entry name. If omitted, all entries for strSection are removed. | 
| Boolean | True or False indicating success or failure. | 
| Null | On error. | 
Dim strObject
strObject = Rhino.GetObject("Select object")
If Not IsNull(strObject) Then
Rhino.DeleteAttributeData strObject, "MySection1", "MyEntry1"
Rhino.DeleteAttributeData strObject, "MySection1", "MyEntry2"
Rhino.DeleteAttributeData strObject, "MySection2", "MyEntry1"
End If