Hi all,

Starting in Monterey, I see a new message logged by Core Data during persistent 
store migration:

NSPredicate: Using NSExpression CAST(x,'Class') is deprecated and will be 
removed in a future release. 'MyClassName' should not be cast into a Class 
object.'

This is due to my .xcmapping model where I set an attribute mapping to:

FUNCTION(CAST("MyClassName", "Class"), "myMethodName:", 
$source.myOldAttributeName)

If this isn't correct, how can I invoke a custom method to transform an old 
attribute into something new?

Thanks,

Sean
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