---
title: NSInferMappingModelAutomaticallyOption
framework: coredata
role: symbol
role_heading: Global Variable
path: coredata/nsinfermappingmodelautomaticallyoption
---

# NSInferMappingModelAutomaticallyOption

Key to attempt to create the mapping model automatically.

## Declaration

```swift
let NSInferMappingModelAutomaticallyOption: String
```

## Mentioned in

Migrating your data model automatically

## Discussion

Discussion The corresponding value is an NSNumber object. If the boolValue of the number is true and the value of the NSMigratePersistentStoresAutomaticallyOption is true, the coordinator will attempt to infer a mapping model if none can be found.

## See Also

### Constants

- [NSIgnorePersistentStoreVersioningOption](coredata/nsignorepersistentstoreversioningoption.md)
- [NSMigratePersistentStoresAutomaticallyOption](coredata/nsmigratepersistentstoresautomaticallyoption.md)