> For the complete documentation index, see [llms.txt](https://www.pinvoke.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.pinvoke.dev/ntdll/ntduplicatetoken.md).

# NtDuplicateToken

```csharp
[DllImport("ntdll.dll", ExactSpelling = true)]
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
public static extern unsafe NTSTATUS NtDuplicateToken(
    HANDLE ExistingToken,
    uint DesiredAccess,
    [Optional] OBJECT_ATTRIBUTES*   ObjectAttributes,
    SECURITY_IMPERSONATION_LEVEL ImpersonationLevel,
    TOKEN_TYPE TokenType,
    HANDLE* NewToken);
```

[OBJECT\_ATTRIBUTES](/foundation/object_attributes.md)

[SECURITY\_IMPERSONATION\_LEVEL](/security/security_impersonation_level.md)

[TOKEN\_TYPE](/security/token_type.md)