---
title: discard()
framework: healthkit
role: symbol
role_heading: Instance Method
path: healthkit/hkquantityseriessamplebuilder/discard()
---

# discard()

Discards all previously collected data and invalidates the builder.

## Declaration

```swift
func discard()
```

## See Also

### Ending the Collection

- [finishSeries(metadata:completion:)](healthkit/hkquantityseriessamplebuilder/finishseries(metadata:completion:).md)
- [finishSeries(metadata:endDate:completion:)](healthkit/hkquantityseriessamplebuilder/finishseries(metadata:enddate:completion:).md)