---
title: propertyCache
framework: coredata
role: symbol
role_heading: Instance Property
path: coredata/nsatomicstorecachenode/propertycache
---

# propertyCache

The property cache dictionary of the node.

## Declaration

```swift
var propertyCache: NSMutableDictionary? { get set }
```

## Discussion

Discussion This dictionary is used by value(forKey:) and setValue(_:forKey:) for property values. This property is nil unless it has been explicitly set or non-nil values have been set for keys using setValue(_:forKey:).

## See Also

### Managing Node Data

- [objectID](coredata/nsatomicstorecachenode/objectid.md)
- [value(forKey:)](coredata/nsatomicstorecachenode/value(forkey:).md)
- [setValue(_:forKey:)](coredata/nsatomicstorecachenode/setvalue(_:forkey:).md)