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Create NSManagedObject subclass file in Xcode 3.2.2

I am just learning Core Data on iPhone and the tutorial I am following says to create a new file and select NSManagedObject as the template. However, in Xcode 3.2.2 it seems to be gone. Is there any way to get it back or some kind of workaround?

Thanks in advance!

Select the entity in your Core Data model ( xcdatamodel ) file first, and then create a new file. The managed object template should show up.

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