---
title: callStackReturnAddresses
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/thread/callstackreturnaddresses
---

# callStackReturnAddresses

Returns an array containing the call stack return addresses.

## Declaration

```swift
class var callStackReturnAddresses: [NSNumber] { get }
```

## Return Value

Return Value An array containing the call stack return addresses. Each element is an NSNumber object containing an NSUInteger value.

## See Also

### Querying the Environment

- [isMultiThreaded()](foundation/thread/ismultithreaded().md)
- [current](foundation/thread/current.md)
- [callStackSymbols](foundation/thread/callstacksymbols.md)