---
metadata:
  - name: generator
    content: Diplodoc Platform v5.63.4
alternate:
  - https://appmetrica.yandex.com/docs/en/sdk/ios/analytics/objectivec/AMABacktraceErrorKey.md
  - https://appmetrica.yandex.com/docs/ru/sdk/ios/analytics/objectivec/AMABacktraceErrorKey.md
  - https://appmetrica.yandex.com/docs/zh/sdk/ios/analytics/objectivec/AMABacktraceErrorKey.md
  - href: https://appmetrica.yandex.com/docs/zh/sdk/ios/analytics/objectivec/AMABacktraceErrorKey.md
    type: text/markdown
    title: Markdown version
  - href: https://appmetrica.yandex.com/docs/zh/llms.txt?revision=r21698989
    rel: describedby
---
> **Documentation Index:** Fetch the complete configuration index at https://appmetrica.yandex.com/docs/zh/llms.txt?revision=r21698989

# AMABacktraceErrorKey

```objectivec translate=no
extern NSErrorUserInfoKey const AMABacktraceErrorKey
```

来自 `userInfo` 字典的一个键，属于 `NSError`. 它应该包含错误的堆栈跟踪。 你可以使用 [NSThread.callStackReturnAddresses](https://developer.apple.com/documentation/foundation/nsthread/1409565-callstackreturnaddresses?language=objc) 方法来获取它。

AppMetrica 自动解析传入的值。