---
title: HKPredicateKeyPathStartDate
framework: healthkit
role: symbol
role_heading: Global Variable
path: healthkit/hkpredicatekeypathstartdate
---

# HKPredicateKeyPathStartDate

The key path for accessing the sample’s start date.

## Declaration

```swift
let HKPredicateKeyPathStartDate: String
```

## See Also

### Specifying Predicate Key Paths

- [HKPredicateKeyPathEndDate](healthkit/hkpredicatekeypathenddate.md)