---
title: isAscending
framework: coredata
role: symbol
role_heading: Instance Property
path: coredata/nsfetchindexelementdescription/isascending
---

# isAscending

A Boolean value that controls whether an index that supports direction is an ascending or descending index.

## Declaration

```swift
var isAscending: Bool { get set }
```

## See Also

### Inspecting an Index Element Description

- [collationType](coredata/nsfetchindexelementdescription/collationtype.md)
- [indexDescription](coredata/nsfetchindexelementdescription/indexdescription.md)
- [property](coredata/nsfetchindexelementdescription/property.md)
- [propertyName](coredata/nsfetchindexelementdescription/propertyname.md)