---
title: terminationReason
framework: metrickit
role: symbol
role_heading: Instance Property
path: metrickit/crashdiagnostic/terminationreason-swift.property
---

# terminationReason

The reason the app was terminated as a human-readable string.

## Declaration

```swift
let terminationReason: CrashDiagnostic.TerminationReason?
```

## See Also

### Termination counts

- [terminationCategory](metrickit/crashdiagnostic/terminationcategory-swift.property.md)