---
title: timeStampBegin
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/mxdiagnosticpayload/timestampbegin
---

# timeStampBegin

The starting time of the reporting period.

## Declaration

```swift
var timeStampBegin: Date { get }
```

## See Also

### Reading information about the payload

- [timeStampEnd](metrickit/mxdiagnosticpayload/timestampend.md)