---
title: "seriesBuilder(for:)"
framework: healthkit
role: symbol
role_heading: Instance Method
path: "healthkit/hkworkoutbuilder/seriesbuilder(for:)"
---

# seriesBuilder(for:)

Returns the series builder for the specified type, creating a new builder, if necessary.

## Declaration

```swift
func seriesBuilder(for seriesType: HKSeriesType) -> HKSeriesBuilder?
```

## Mentioned in

Creating a workout route

## See Also

### Associating samples with the workout

- [add(_:completion:)](healthkit/hkworkoutbuilder/add(_:completion:).md)
- [statistics(for:)](healthkit/hkworkoutbuilder/statistics(for:).md)