---
title: environment
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/metricreport/environment-swift.property
---

# environment

Environment context for the device and app.

## Declaration

```swift
let environment: MetricReport.Environment?
```

## Mentioned in

Analyzing app performance with MetricKit

## Discussion

Discussion This is nil when device or app metadata cannot be determined during metric aggregation.

## See Also

### Report details

- [timeRange](metrickit/metricreport/timerange.md)