---
title: maximum
framework: healthkit
role: symbol
role_heading: Instance Property
path: healthkit/hkworkoutzone/maximum
---

# maximum

The maximum threshold for the zone.

## Declaration

```swift
var maximum: HKQuantity? { get }
```

## Discussion

Discussion If nil, the zone has no upper bound.

## See Also

### Accessing zone properties

- [index](healthkit/hkworkoutzone/index.md)
- [minimum](healthkit/hkworkoutzone/minimum.md)