# User Creation & Linking

- [SENTUserInfo](/important-topics/sdk/api-reference/ios/user-creation-and-linking/sentuserinfo.md): Class describing the Authenticated User Information
- [User Creation](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation.md): Classes related to Creating an Authenticated User on the Sentiance Back-end.
- [SENTUserCreationResult](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation/sentusercreationresult.md)
- [SENTUserCreationFailureReason](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation/sentusercreationfailurereason.md)
- [SENTUserCreationError](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation/sentusercreationerror.md)
- [SENTUserCreationCompletionHandler](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation/sentusercreationcompletionhandler.md)
- [SENTUserCreationOptions](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-creation/sentusercreationoptions.md)
- [User Linking](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking.md): Classes related to User Linking
- [SENTNoOpUserLinker](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentnoopuserlinker.md): A no-operation user linker. Use this linker to create an unlinked (anonymous) Sentiance user.
- [SENTUserLinkingResult](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentuserlinkingresult.md)
- [SENTUserLinkingFailureReason](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentuserlinkingfailurereason.md)
- [SENTUserLinkingError](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentuserlinkingerror.md)
- [SENTUserLinkingCompletionHandler](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/sentuserlinkingcompletionhandler.md)
- [SENTUserLinker](/important-topics/sdk/api-reference/ios/user-creation-and-linking/user-linking/metauserlinker.md)