---
title: lead
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srelectrocardiogramsample/lead-swift.property
---

# lead

The lead used to record the ECG data.

## Declaration

```swift
var lead: SRElectrocardiogramSample.Lead { get }
```

## See Also

### Accessing ECG data

- [date](sensorkit/srelectrocardiogramsample/date.md)
- [frequency](sensorkit/srelectrocardiogramsample/frequency.md)
- [SRElectrocardiogramSample.Lead](sensorkit/srelectrocardiogramsample/lead-swift.enum.md)
- [session](sensorkit/srelectrocardiogramsample/session.md)
- [SRElectrocardiogramSession](sensorkit/srelectrocardiogramsession.md)
- [data](sensorkit/srelectrocardiogramsample/data.md)
- [SRElectrocardiogramData](sensorkit/srelectrocardiogramdata.md)