---
title: User Info Dictionary Keys
framework: TVMLKit JS
role: collectionGroup
role_heading: API Collection
path: tvmljs/tverror/user_info_dictionary_keys
---

# User Info Dictionary Keys

Keys that exist in the user info dictionary.

## Topics

### Constants

- [NSLocalizedDesciptionKey](tvmljs/tverror/user_info_dictionary_keys/1807734-nslocalizeddesciptionkey.md)
- [NSFilePathErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807742-nsfilepatherrorkey.md)
- [NSStringEncodingErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807747-nsstringencodingerrorkey.md)
- [NSUnderlyingErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807752-nsunderlyingerrorkey.md)
- [NSURLErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807757-nsurlerrorkey.md)
- [NSLocalizedFailureReasonErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807762-nslocalizedfailurereasonerrorkey.md)
- [NSLocalizedRecoverySuggestionErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807767-nslocalizedrecoverysuggestionerr.md)
- [NSLocalizedRecoveryOptionsErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807774-nslocalizedrecoveryoptionserrork.md)
- [NSRecoveryAttempterErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807778-nsrecoveryattemptererrorkey.md)
- [NSHelpAnchorErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807784-nshelpanchorerrorkey.md)
- [NSURLErrorFailingURLErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807787-nsurlerrorfailingurlerrorkey.md)
- [NSURLErrorFailingURLStringErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807789-nsurlerrorfailingurlstringerrork.md)
- [NSURLErrorFailingURLPeerTrustErrorKey](tvmljs/tverror/user_info_dictionary_keys/1807791-nsurlerrorfailingurlpeertrusterr.md)