---
title: NSKeyValueChange.insertion
framework: foundation
role: symbol
role_heading: Case
path: foundation/nskeyvaluechange/insertion
---

# NSKeyValueChange.insertion

Indicates that an object has been inserted into the to-many relationship that is being observed.

## Declaration

```swift
case insertion
```

## See Also

### Constants

- [NSKeyValueChange.setting](foundation/nskeyvaluechange/setting.md)
- [NSKeyValueChange.removal](foundation/nskeyvaluechange/removal.md)
- [NSKeyValueChange.replacement](foundation/nskeyvaluechange/replacement.md)