---
title: maximum
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/numberformatter/maximum
---

# maximum

The highest number allowed as input by the receiver.

## Declaration

```swift
@NSCopying var maximum: NSNumber? { get set }
```

## See Also

### Managing Input and Output Attributes

- [allowsFloats](foundation/numberformatter/allowsfloats.md)
- [minimum](foundation/numberformatter/minimum.md)