---
title: quantityType
framework: healthkit
role: symbol
role_heading: Instance Property
path: healthkit/hkquantityseriessamplebuilder/quantitytype
---

# quantityType

The quantity type for the series.

## Declaration

```swift
@NSCopying var quantityType: HKQuantityType { get }
```

## See Also

### Creating a Quantity Series Builder

- [init(healthStore:quantityType:startDate:device:)](healthkit/hkquantityseriessamplebuilder/init(healthstore:quantitytype:startdate:device:).md)
- [startDate](healthkit/hkquantityseriessamplebuilder/startdate.md)
- [device](healthkit/hkquantityseriessamplebuilder/device.md)