---
title: NSEntityMappingType.addEntityMappingType
framework: coredata
role: symbol
role_heading: Case
path: coredata/nsentitymappingtype/addentitymappingtype
---

# NSEntityMappingType.addEntityMappingType

Specifies that this is a new entity in the destination model.

## Declaration

```swift
case addEntityMappingType
```

## Discussion

Discussion Instances of the entity only exist in the destination.

## See Also

### Constants

- [NSEntityMappingType.undefinedEntityMappingType](coredata/nsentitymappingtype/undefinedentitymappingtype.md)
- [NSEntityMappingType.customEntityMappingType](coredata/nsentitymappingtype/customentitymappingtype.md)
- [NSEntityMappingType.removeEntityMappingType](coredata/nsentitymappingtype/removeentitymappingtype.md)
- [NSEntityMappingType.copyEntityMappingType](coredata/nsentitymappingtype/copyentitymappingtype.md)
- [NSEntityMappingType.transformEntityMappingType](coredata/nsentitymappingtype/transformentitymappingtype.md)