---
title: NSFetchIndexElementType.rTree
framework: coredata
role: symbol
role_heading: Case
path: coredata/nsfetchindexelementtype/rtree
---

# NSFetchIndexElementType.rTree

An R-tree index type.

## Declaration

```swift
case rTree
```

## See Also

### Index Types

- [NSFetchIndexElementType.binary](coredata/nsfetchindexelementtype/binary.md)