---
title: UIListEnvironment.unspecified
framework: uikit
role: symbol
role_heading: Case
path: uikit/uilistenvironment/unspecified
---

# UIListEnvironment.unspecified

A constant that indicates the absence of information about a containing list.

## Declaration

```swift
case unspecified
```

## See Also

### Constants

- [UIListEnvironment.none](uikit/uilistenvironment/none.md)
- [UIListEnvironment.plain](uikit/uilistenvironment/plain.md)
- [UIListEnvironment.grouped](uikit/uilistenvironment/grouped.md)
- [UIListEnvironment.insetGrouped](uikit/uilistenvironment/insetgrouped.md)
- [UIListEnvironment.sidebar](uikit/uilistenvironment/sidebar.md)
- [UIListEnvironment.sidebarPlain](uikit/uilistenvironment/sidebarplain.md)