# LibTmux.Server.ClearPromptHistoryAsync

- **Module:** LibTmux.Server
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/320dc64f4b8b7815842471327a5e6b84a1499bf8/src/LibTmux/Server.Interaction.cs#L90
- **Page:** https://libtmux.org/en/dotnet/latest/reference/libtmux-server-clearprompthistoryasync/

```
LibTmux.Server.ClearPromptHistoryAsync(type: PromptType?, cancellationToken: CancellationToken) -> Task
```

Forgets what has been typed at command prompts.

## Parameters

- `type` (PromptType?): Which history to clear, or null for all of them.
- `cancellationToken` (CancellationToken): Cancels the tmux command.

## Raises

- `TmuxVersionTooLowException`: tmux is older than 3.3.
