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The code I posted already contained code to copy the multi-value list from the source parameter to the target parameter.  That's what the following block of code, that appears twice within it, was for:

If oSParam.ExpressionList IsNot Nothing AndAlso oSParam.ExpressionList.Count > 0 Then
	Dim oExps() As String = oSParam.ExpressionList.GetExpressionList
	oTParam.ExpressionList.SetExpressionList(oExps)
End If

It doesn't just copy a list of 'Values', it copies the list of 'Expressions', in case you want to maintain a list of possible equations or similar non-simple entries.

Wesley Crihfield

EESignature

(Not an Autodesk Employee)