---
title: debugDescription
framework: system
role: symbol
role_heading: Instance Property
path: system/errno/debugdescription
---

# debugDescription

A textual representation, suitable for debugging, of the most recent error returned by a system call.

## Declaration

```swift
var debugDescription: String { get }
```

## Discussion

Discussion The corresponding C function is strerror(3).

## See Also

### Debugging

- [description](system/errno/description.md)