Script for removing a named selection from another named selection

I have a named selection called FinSurface, however, I would like to subtract symmetry surfaces (which is another named selection) from FinSurface.

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SpaceClaim

Fluids

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Mike.Thompson

This is a snippet to get the starting items in a group, add to them, then update the NS with the new items. This is for Spaceclaim/Discovery APIs

GroupName=<Your NS name>
CurrentItems=list(Selection.CreateByGroups(GroupName).Items)
NewItems = <Your new geom items>
AllItems = CurrentItems+NewItems
NamedSelection.Replace(GroupName, Selection.Create(AllItems), Selection.Empty())

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