---
title: Reading and Writing HealthKit Series Data
framework: healthkit
role: sampleCode
role_heading: Sample Code
path: healthkit/reading-and-writing-healthkit-series-data
---

# Reading and Writing HealthKit Series Data

Share and read heartbeat and quantity series data using series builders and queries.

## Overview

Overview note: This sample code project is associated with WWDC 2019 session 218: Exploring New Data Representations in HealthKit.

## See Also

### Essentials

- [Saving data to HealthKit](healthkit/saving-data-to-healthkit.md)