# LibTmux.TmuxEnvironment.UnsetAsync

- **Module:** LibTmux
- **Package:** LibTmux
- **Language:** C#
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/cf34b255c896d19a97e7d7fabea58609c916012d/src/LibTmux/Environment/TmuxEnvironmentOperations.cs#L182
- **Page:** https://libtmux.org/en/csharp/latest/reference/libtmux-tmuxenvironment-unsetasync/

```
LibTmux.TmuxEnvironment.UnsetAsync(name: string, cancellationToken: CancellationToken) -> Task
```

Forgets a variable entirely.

## Parameters

- `name` (`string`): The variable name.
- `cancellationToken` (`CancellationToken`): Cancels the tmux command.