---
title: CustomNSError Implementations
framework: createml
role: collectionGroup
role_heading: API Collection
path: createml/mlcreateerror/customnserror-implementations
---

# CustomNSError Implementations

## Topics

### Instance Properties

- [errorCode](createml/mlcreateerror/errorcode.md)
- [errorUserInfo](createml/mlcreateerror/erroruserinfo.md)