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# contextShouldIgnoreUnmodeledPropertyChanges

A Boolean value that indicates whether to mark instances of the class as having changes when an unmodeled property changes.

```
class var contextShouldIgnoreUnmodeledPropertyChanges: Bool { get }
```

## Return Value

<doc://com.apple.documentation/documentation/Swift/false> if instances of the class should be marked as having changes if an unmodeled property is changed, otherwise <doc://com.apple.documentation/documentation/Swift/true>.

## Discussion

The default value is <doc://com.apple.documentation/documentation/Swift/true>.

## See Also

[`hasChanges`](/documentation/CoreData/NSManagedObjectContext/hasChanges)

A Boolean value that indicates whether the context has uncommitted changes.


---

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